Home / 661,545.83-913,111.70-432,098.25

Finding the Fourth Proportional to 661,545.83, 913,111.70 and 432,098.25

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Solution

The fourth proportional to 661,545.83, 913,111.70 and 432,098.25 is: 596,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,545.83 : 913,111.70 = 432,098.25 : x
  2. Step 2: Convert to fraction form
    661,545.83/913,111.70 = 432,098.25/x
  3. Step 3: Cross multiply
    661,545.83x = 913,111.70 × 432,098.25
  4. Step 4: Simplify right side
    661,545.83x = 394,553,965,464.03
  5. Step 5: Solve for x
    x = 394,553,965,464.03/661,545.83
  6. Step 6: Final answer
    x = 596,412.15

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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.