Home / 422,076.85-582,469.46-231,091.81

Finding the Fourth Proportional to 422,076.85, 582,469.46 and 231,091.81

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Solution

The fourth proportional to 422,076.85, 582,469.46 and 231,091.81 is: 318,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,076.85 : 582,469.46 = 231,091.81 : x
  2. Step 2: Convert to fraction form
    422,076.85/582,469.46 = 231,091.81/x
  3. Step 3: Cross multiply
    422,076.85x = 582,469.46 × 231,091.81
  4. Step 4: Simplify right side
    422,076.85x = 134,603,921,781.12
  5. Step 5: Solve for x
    x = 134,603,921,781.12/422,076.85
  6. Step 6: Final answer
    x = 318,908.56

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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.