Home / 397,625.19-596,493.17-127,761.45

Finding the Fourth Proportional to 397,625.19, 596,493.17 and 127,761.45

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Solution

The fourth proportional to 397,625.19, 596,493.17 and 127,761.45 is: 191,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,625.19 : 596,493.17 = 127,761.45 : x
  2. Step 2: Convert to fraction form
    397,625.19/596,493.17 = 127,761.45/x
  3. Step 3: Cross multiply
    397,625.19x = 596,493.17 × 127,761.45
  4. Step 4: Simplify right side
    397,625.19x = 76,208,832,314.30
  5. Step 5: Solve for x
    x = 76,208,832,314.30/397,625.19
  6. Step 6: Final answer
    x = 191,659.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.