Home / 657,127.70-985,691.55-283,150.70

Finding the Fourth Proportional to 657,127.70, 985,691.55 and 283,150.70

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Solution

The fourth proportional to 657,127.70, 985,691.55 and 283,150.70 is: 424,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,127.70 : 985,691.55 = 283,150.70 : x
  2. Step 2: Convert to fraction form
    657,127.70/985,691.55 = 283,150.70/x
  3. Step 3: Cross multiply
    657,127.70x = 985,691.55 × 283,150.70
  4. Step 4: Simplify right side
    657,127.70x = 279,099,252,366.59
  5. Step 5: Solve for x
    x = 279,099,252,366.59/657,127.70
  6. Step 6: Final answer
    x = 424,726.05

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Double scale
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Similar ratio
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1.5x scale

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.