Home / 657,124.13-985,861.16-207,853.17

Finding the Fourth Proportional to 657,124.13, 985,861.16 and 207,853.17

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Solution

The fourth proportional to 657,124.13, 985,861.16 and 207,853.17 is: 311,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,124.13 : 985,861.16 = 207,853.17 : x
  2. Step 2: Convert to fraction form
    657,124.13/985,861.16 = 207,853.17/x
  3. Step 3: Cross multiply
    657,124.13x = 985,861.16 × 207,853.17
  4. Step 4: Simplify right side
    657,124.13x = 204,914,366,246.61
  5. Step 5: Solve for x
    x = 204,914,366,246.61/657,124.13
  6. Step 6: Final answer
    x = 311,835.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.