Home / 322,311.20-482,883.60-262,824.80

Finding the Fourth Proportional to 322,311.20, 482,883.60 and 262,824.80

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Solution

The fourth proportional to 322,311.20, 482,883.60 and 262,824.80 is: 393,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,311.20 : 482,883.60 = 262,824.80 : x
  2. Step 2: Convert to fraction form
    322,311.20/482,883.60 = 262,824.80/x
  3. Step 3: Cross multiply
    322,311.20x = 482,883.60 × 262,824.80
  4. Step 4: Simplify right side
    322,311.20x = 126,913,785,593.28
  5. Step 5: Solve for x
    x = 126,913,785,593.28/322,311.20
  6. Step 6: Final answer
    x = 393,761.64

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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.