Home / 437,565.20-656,347.80-238,499.60

Finding the Fourth Proportional to 437,565.20, 656,347.80 and 238,499.60

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Solution

The fourth proportional to 437,565.20, 656,347.80 and 238,499.60 is: 357,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,565.20 : 656,347.80 = 238,499.60 : x
  2. Step 2: Convert to fraction form
    437,565.20/656,347.80 = 238,499.60/x
  3. Step 3: Cross multiply
    437,565.20x = 656,347.80 × 238,499.60
  4. Step 4: Simplify right side
    437,565.20x = 156,538,687,760.88
  5. Step 5: Solve for x
    x = 156,538,687,760.88/437,565.20
  6. Step 6: Final answer
    x = 357,749.40

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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.