Home / 441,505.28-661,739.20-204,347.04

Finding the Fourth Proportional to 441,505.28, 661,739.20 and 204,347.04

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Solution

The fourth proportional to 441,505.28, 661,739.20 and 204,347.04 is: 306,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,505.28 : 661,739.20 = 204,347.04 : x
  2. Step 2: Convert to fraction form
    441,505.28/661,739.20 = 204,347.04/x
  3. Step 3: Cross multiply
    441,505.28x = 661,739.20 × 204,347.04
  4. Step 4: Simplify right side
    441,505.28x = 135,224,446,771.97
  5. Step 5: Solve for x
    x = 135,224,446,771.97/441,505.28
  6. Step 6: Final answer
    x = 306,280.47

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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.