Home / 422,338.25-582,826.88-231,358.43

Finding the Fourth Proportional to 422,338.25, 582,826.88 and 231,358.43

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Solution

The fourth proportional to 422,338.25, 582,826.88 and 231,358.43 is: 319,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,338.25 : 582,826.88 = 231,358.43 : x
  2. Step 2: Convert to fraction form
    422,338.25/582,826.88 = 231,358.43/x
  3. Step 3: Cross multiply
    422,338.25x = 582,826.88 × 231,358.43
  4. Step 4: Simplify right side
    422,338.25x = 134,841,909,582.86
  5. Step 5: Solve for x
    x = 134,841,909,582.86/422,338.25
  6. Step 6: Final answer
    x = 319,274.68

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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.