Home / 422,336.52-582,824.56-231,356.80

Finding the Fourth Proportional to 422,336.52, 582,824.56 and 231,356.80

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Solution

The fourth proportional to 422,336.52, 582,824.56 and 231,356.80 is: 319,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,336.52 : 582,824.56 = 231,356.80 : x
  2. Step 2: Convert to fraction form
    422,336.52/582,824.56 = 231,356.80/x
  3. Step 3: Cross multiply
    422,336.52x = 582,824.56 × 231,356.80
  4. Step 4: Simplify right side
    422,336.52x = 134,840,425,163.01
  5. Step 5: Solve for x
    x = 134,840,425,163.01/422,336.52
  6. Step 6: Final answer
    x = 319,272.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.