Home / 435,728.70-653,593.05-120,185.10

Finding the Fourth Proportional to 435,728.70, 653,593.05 and 120,185.10

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Solution

The fourth proportional to 435,728.70, 653,593.05 and 120,185.10 is: 180,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,728.70 : 653,593.05 = 120,185.10 : x
  2. Step 2: Convert to fraction form
    435,728.70/653,593.05 = 120,185.10/x
  3. Step 3: Cross multiply
    435,728.70x = 653,593.05 × 120,185.10
  4. Step 4: Simplify right side
    435,728.70x = 78,552,146,073.56
  5. Step 5: Solve for x
    x = 78,552,146,073.56/435,728.70
  6. Step 6: Final answer
    x = 180,277.65

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Similar ratio
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1.5x scale

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.