Home / 748,691.64-1,122,400.98-327,652.92

Finding the Fourth Proportional to 748,691.64, 1,122,400.98 and 327,652.92

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Solution

The fourth proportional to 748,691.64, 1,122,400.98 and 327,652.92 is: 491,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,691.64 : 1,122,400.98 = 327,652.92 : x
  2. Step 2: Convert to fraction form
    748,691.64/1,122,400.98 = 327,652.92/x
  3. Step 3: Cross multiply
    748,691.64x = 1,122,400.98 × 327,652.92
  4. Step 4: Simplify right side
    748,691.64x = 367,757,958,507.86
  5. Step 5: Solve for x
    x = 367,757,958,507.86/748,691.64
  6. Step 6: Final answer
    x = 491,200.83

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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.