Home / 392,895.22-588,638.19-238,740.82

Finding the Fourth Proportional to 392,895.22, 588,638.19 and 238,740.82

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Solution

The fourth proportional to 392,895.22, 588,638.19 and 238,740.82 is: 357,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,895.22 : 588,638.19 = 238,740.82 : x
  2. Step 2: Convert to fraction form
    392,895.22/588,638.19 = 238,740.82/x
  3. Step 3: Cross multiply
    392,895.22x = 588,638.19 × 238,740.82
  4. Step 4: Simplify right side
    392,895.22x = 140,531,964,163.92
  5. Step 5: Solve for x
    x = 140,531,964,163.92/392,895.22
  6. Step 6: Final answer
    x = 357,683.06

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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.