Home / 397,876.12-596,820.46-221,504.14

Finding the Fourth Proportional to 397,876.12, 596,820.46 and 221,504.14

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Solution

The fourth proportional to 397,876.12, 596,820.46 and 221,504.14 is: 332,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,876.12 : 596,820.46 = 221,504.14 : x
  2. Step 2: Convert to fraction form
    397,876.12/596,820.46 = 221,504.14/x
  3. Step 3: Cross multiply
    397,876.12x = 596,820.46 × 221,504.14
  4. Step 4: Simplify right side
    397,876.12x = 132,198,202,726.70
  5. Step 5: Solve for x
    x = 132,198,202,726.70/397,876.12
  6. Step 6: Final answer
    x = 332,259.71

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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.