Home / 499,074.28-748,389.04-144,003.96

Finding the Fourth Proportional to 499,074.28, 748,389.04 and 144,003.96

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Solution

The fourth proportional to 499,074.28, 748,389.04 and 144,003.96 is: 215,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,074.28 : 748,389.04 = 144,003.96 : x
  2. Step 2: Convert to fraction form
    499,074.28/748,389.04 = 144,003.96/x
  3. Step 3: Cross multiply
    499,074.28x = 748,389.04 × 144,003.96
  4. Step 4: Simplify right side
    499,074.28x = 107,770,985,380.60
  5. Step 5: Solve for x
    x = 107,770,985,380.60/499,074.28
  6. Step 6: Final answer
    x = 215,941.77

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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.