Home / 598,910.40-826,635.24-394,997.76

Finding the Fourth Proportional to 598,910.40, 826,635.24 and 394,997.76

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Solution

The fourth proportional to 598,910.40, 826,635.24 and 394,997.76 is: 545,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,910.40 : 826,635.24 = 394,997.76 : x
  2. Step 2: Convert to fraction form
    598,910.40/826,635.24 = 394,997.76/x
  3. Step 3: Cross multiply
    598,910.40x = 826,635.24 × 394,997.76
  4. Step 4: Simplify right side
    598,910.40x = 326,519,068,137.06
  5. Step 5: Solve for x
    x = 326,519,068,137.06/598,910.40
  6. Step 6: Final answer
    x = 545,188.51

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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.