Home / 435,747.20-653,620.80-236,163.20

Finding the Fourth Proportional to 435,747.20, 653,620.80 and 236,163.20

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Solution

The fourth proportional to 435,747.20, 653,620.80 and 236,163.20 is: 354,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,747.20 : 653,620.80 = 236,163.20 : x
  2. Step 2: Convert to fraction form
    435,747.20/653,620.80 = 236,163.20/x
  3. Step 3: Cross multiply
    435,747.20x = 653,620.80 × 236,163.20
  4. Step 4: Simplify right side
    435,747.20x = 154,361,179,714.56
  5. Step 5: Solve for x
    x = 154,361,179,714.56/435,747.20
  6. Step 6: Final answer
    x = 354,244.80

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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.