Home / 433,540.20-649,872.90-197,052.60

Finding the Fourth Proportional to 433,540.20, 649,872.90 and 197,052.60

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Solution

The fourth proportional to 433,540.20, 649,872.90 and 197,052.60 is: 295,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,540.20 : 649,872.90 = 197,052.60 : x
  2. Step 2: Convert to fraction form
    433,540.20/649,872.90 = 197,052.60/x
  3. Step 3: Cross multiply
    433,540.20x = 649,872.90 × 197,052.60
  4. Step 4: Simplify right side
    433,540.20x = 128,059,144,614.54
  5. Step 5: Solve for x
    x = 128,059,144,614.54/433,540.20
  6. Step 6: Final answer
    x = 295,380.09

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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.