Home / 347,764.20-522,035.10-269,226.60

Finding the Fourth Proportional to 347,764.20, 522,035.10 and 269,226.60

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Solution

The fourth proportional to 347,764.20, 522,035.10 and 269,226.60 is: 404,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,764.20 : 522,035.10 = 269,226.60 : x
  2. Step 2: Convert to fraction form
    347,764.20/522,035.10 = 269,226.60/x
  3. Step 3: Cross multiply
    347,764.20x = 522,035.10 × 269,226.60
  4. Step 4: Simplify right side
    347,764.20x = 140,545,735,053.66
  5. Step 5: Solve for x
    x = 140,545,735,053.66/347,764.20
  6. Step 6: Final answer
    x = 404,140.90

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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.