Home / 529,318.80-791,791.20-482,604.48

Finding the Fourth Proportional to 529,318.80, 791,791.20 and 482,604.48

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Solution

The fourth proportional to 529,318.80, 791,791.20 and 482,604.48 is: 721,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,318.80 : 791,791.20 = 482,604.48 : x
  2. Step 2: Convert to fraction form
    529,318.80/791,791.20 = 482,604.48/x
  3. Step 3: Cross multiply
    529,318.80x = 791,791.20 × 482,604.48
  4. Step 4: Simplify right side
    529,318.80x = 382,121,980,344.58
  5. Step 5: Solve for x
    x = 382,121,980,344.58/529,318.80
  6. Step 6: Final answer
    x = 721,912.73

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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.