Home / 441,337.20-661,487.40-204,178.92

Finding the Fourth Proportional to 441,337.20, 661,487.40 and 204,178.92

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Solution

The fourth proportional to 441,337.20, 661,487.40 and 204,178.92 is: 306,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,337.20 : 661,487.40 = 204,178.92 : x
  2. Step 2: Convert to fraction form
    441,337.20/661,487.40 = 204,178.92/x
  3. Step 3: Cross multiply
    441,337.20x = 661,487.40 × 204,178.92
  4. Step 4: Simplify right side
    441,337.20x = 135,061,782,925.61
  5. Step 5: Solve for x
    x = 135,061,782,925.61/441,337.20
  6. Step 6: Final answer
    x = 306,028.55

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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.