Home / 726,141.73-1,002,088.46-403,851.97

Finding the Fourth Proportional to 726,141.73, 1,002,088.46 and 403,851.97

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Solution

The fourth proportional to 726,141.73, 1,002,088.46 and 403,851.97 is: 557,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,141.73 : 1,002,088.46 = 403,851.97 : x
  2. Step 2: Convert to fraction form
    726,141.73/1,002,088.46 = 403,851.97/x
  3. Step 3: Cross multiply
    726,141.73x = 1,002,088.46 × 403,851.97
  4. Step 4: Simplify right side
    726,141.73x = 404,695,391,655.56
  5. Step 5: Solve for x
    x = 404,695,391,655.56/726,141.73
  6. Step 6: Final answer
    x = 557,322.87

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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.