Home / 422,228.88-582,531.30-240,810.42

Finding the Fourth Proportional to 422,228.88, 582,531.30 and 240,810.42

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Solution

The fourth proportional to 422,228.88, 582,531.30 and 240,810.42 is: 332,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,228.88 : 582,531.30 = 240,810.42 : x
  2. Step 2: Convert to fraction form
    422,228.88/582,531.30 = 240,810.42/x
  3. Step 3: Cross multiply
    422,228.88x = 582,531.30 × 240,810.42
  4. Step 4: Simplify right side
    422,228.88x = 140,279,607,016.15
  5. Step 5: Solve for x
    x = 140,279,607,016.15/422,228.88
  6. Step 6: Final answer
    x = 332,235.94

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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.