Home / 422,126.30-582,535.24-228,536.06

Finding the Fourth Proportional to 422,126.30, 582,535.24 and 228,536.06

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Solution

The fourth proportional to 422,126.30, 582,535.24 and 228,536.06 is: 315,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,126.30 : 582,535.24 = 228,536.06 : x
  2. Step 2: Convert to fraction form
    422,126.30/582,535.24 = 228,536.06/x
  3. Step 3: Cross multiply
    422,126.30x = 582,535.24 × 228,536.06
  4. Step 4: Simplify right side
    422,126.30x = 133,130,305,076.74
  5. Step 5: Solve for x
    x = 133,130,305,076.74/422,126.30
  6. Step 6: Final answer
    x = 315,380.26

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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.