Home / 435,808.20-653,694.44-120,257.04

Finding the Fourth Proportional to 435,808.20, 653,694.44 and 120,257.04

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Solution

The fourth proportional to 435,808.20, 653,694.44 and 120,257.04 is: 180,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,808.20 : 653,694.44 = 120,257.04 : x
  2. Step 2: Convert to fraction form
    435,808.20/653,694.44 = 120,257.04/x
  3. Step 3: Cross multiply
    435,808.20x = 653,694.44 × 120,257.04
  4. Step 4: Simplify right side
    435,808.20x = 78,611,358,418.86
  5. Step 5: Solve for x
    x = 78,611,358,418.86/435,808.20
  6. Step 6: Final answer
    x = 180,380.63

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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.