Home / 572,966.38-862,877.29-521,891.29

Finding the Fourth Proportional to 572,966.38, 862,877.29 and 521,891.29

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Solution

The fourth proportional to 572,966.38, 862,877.29 and 521,891.29 is: 785,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,966.38 : 862,877.29 = 521,891.29 : x
  2. Step 2: Convert to fraction form
    572,966.38/862,877.29 = 521,891.29/x
  3. Step 3: Cross multiply
    572,966.38x = 862,877.29 × 521,891.29
  4. Step 4: Simplify right side
    572,966.38x = 450,328,141,989.80
  5. Step 5: Solve for x
    x = 450,328,141,989.80/572,966.38
  6. Step 6: Final answer
    x = 785,959.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.