Home / 915,906.20-1,373,219.30-541,736.60

Finding the Fourth Proportional to 915,906.20, 1,373,219.30 and 541,736.60

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Solution

The fourth proportional to 915,906.20, 1,373,219.30 and 541,736.60 is: 812,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,906.20 : 1,373,219.30 = 541,736.60 : x
  2. Step 2: Convert to fraction form
    915,906.20/1,373,219.30 = 541,736.60/x
  3. Step 3: Cross multiply
    915,906.20x = 1,373,219.30 × 541,736.60
  4. Step 4: Simplify right side
    915,906.20x = 743,923,154,636.38
  5. Step 5: Solve for x
    x = 743,923,154,636.38/915,906.20
  6. Step 6: Final answer
    x = 812,226.36

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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.