Home / 765,841.97-1,057,151.09-602,071.20

Finding the Fourth Proportional to 765,841.97, 1,057,151.09 and 602,071.20

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Solution

The fourth proportional to 765,841.97, 1,057,151.09 and 602,071.20 is: 831,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,841.97 : 1,057,151.09 = 602,071.20 : x
  2. Step 2: Convert to fraction form
    765,841.97/1,057,151.09 = 602,071.20/x
  3. Step 3: Cross multiply
    765,841.97x = 1,057,151.09 × 602,071.20
  4. Step 4: Simplify right side
    765,841.97x = 636,480,222,327.25
  5. Step 5: Solve for x
    x = 636,480,222,327.25/765,841.97
  6. Step 6: Final answer
    x = 831,085.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.