Home / 657,772.38-986,658.50-247,518.83

Finding the Fourth Proportional to 657,772.38, 986,658.50 and 247,518.83

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Solution

The fourth proportional to 657,772.38, 986,658.50 and 247,518.83 is: 371,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,772.38 : 986,658.50 = 247,518.83 : x
  2. Step 2: Convert to fraction form
    657,772.38/986,658.50 = 247,518.83/x
  3. Step 3: Cross multiply
    657,772.38x = 986,658.50 × 247,518.83
  4. Step 4: Simplify right side
    657,772.38x = 244,216,551,358.67
  5. Step 5: Solve for x
    x = 244,216,551,358.67/657,772.38
  6. Step 6: Final answer
    x = 371,278.21

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Half scale
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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.