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So I have 2 separate columns (Column A / B for this matter) which use different formulas to increment for approximately different amounts. I need a formula / equation which when column B reaches a certain value in a row (say the value is reached in row 5 and the value I want is 4) it displays the value currently in row 5 of column A. So in the Example below Im looking for when column B reaches 4 (Which is in row 5) so it will display 10 because that is the the value in row 5 of column A.

Column B Column A
0 2 1 4 2 6 3 8 4 10

I have tried using an INDEX Match equation as follows
INDEX(A1:A6;MATCH(4;B1:B6;0)).

However with this I am getting a #N/A error. What should I be using to correct this?

  • This is a bit ambiguous. Can you edit the question to add enough of an example so people can see the values in context and the action you want to happen? – fixer1234 Dec 26 '16 at 19:20
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The function you're looking for is VLOOKUP. It returns a value from a table column, in the row found by lookup in the first column.

Syntax:

VLOOKUP(lookupvalue; datatable; columnindex; mode)

If you're looking for the value 6 in column A, and your table is in the range A1:B99, you should use:

VLOOKUP( 6; $A$1:$B$99; 2; FALSE)

It will return the value in column B where column A has the first 6.

  • I have tried using a VLOOKUP method and it still doesn't work (It keeps throwing errors at me. I have read using an INDEX MATCH method would work and have one as follows. INDEX(R5:R6007;MATCH(6;X5:X6007;0)). What im saying here is look for the row in R column which when a value of 6 is found in a row in column X then display the column R value. However I now get a #N/A error and have ran out of solutions. What have I done wrong? – user2041029 Dec 30 '16 at 22:51
  • Could you please edit your question showing the values in your sheet and the expected result? – Mariano Dec 30 '16 at 22:56
  • Question has been edited for better explanation and has an example of what im trying to do – user2041029 Dec 31 '16 at 13:15

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