Home / 421,961.37-582,292.20-240,731.97

Finding the Fourth Proportional to 421,961.37, 582,292.20 and 240,731.97

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Solution

The fourth proportional to 421,961.37, 582,292.20 and 240,731.97 is: 332,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,961.37 : 582,292.20 = 240,731.97 : x
  2. Step 2: Convert to fraction form
    421,961.37/582,292.20 = 240,731.97/x
  3. Step 3: Cross multiply
    421,961.37x = 582,292.20 × 240,731.97
  4. Step 4: Simplify right side
    421,961.37x = 140,176,348,421.63
  5. Step 5: Solve for x
    x = 140,176,348,421.63/421,961.37
  6. Step 6: Final answer
    x = 332,201.85

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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.