Home / 422,377.90-582,896.08-231,391.24

Finding the Fourth Proportional to 422,377.90, 582,896.08 and 231,391.24

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Solution

The fourth proportional to 422,377.90, 582,896.08 and 231,391.24 is: 319,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,377.90 : 582,896.08 = 231,391.24 : x
  2. Step 2: Convert to fraction form
    422,377.90/582,896.08 = 231,391.24/x
  3. Step 3: Cross multiply
    422,377.90x = 582,896.08 × 231,391.24
  4. Step 4: Simplify right side
    422,377.90x = 134,877,046,742.34
  5. Step 5: Solve for x
    x = 134,877,046,742.34/422,377.90
  6. Step 6: Final answer
    x = 319,327.90

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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.