Home / 632,267.17-947,736.45-392,380.61

Finding the Fourth Proportional to 632,267.17, 947,736.45 and 392,380.61

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Solution

The fourth proportional to 632,267.17, 947,736.45 and 392,380.61 is: 588,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,267.17 : 947,736.45 = 392,380.61 : x
  2. Step 2: Convert to fraction form
    632,267.17/947,736.45 = 392,380.61/x
  3. Step 3: Cross multiply
    632,267.17x = 947,736.45 × 392,380.61
  4. Step 4: Simplify right side
    632,267.17x = 371,873,401,631.55
  5. Step 5: Solve for x
    x = 371,873,401,631.55/632,267.17
  6. Step 6: Final answer
    x = 588,158.65

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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.