Home / 481,489.72-722,147.04-144,451.12

Finding the Fourth Proportional to 481,489.72, 722,147.04 and 144,451.12

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Solution

The fourth proportional to 481,489.72, 722,147.04 and 144,451.12 is: 216,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,489.72 : 722,147.04 = 144,451.12 : x
  2. Step 2: Convert to fraction form
    481,489.72/722,147.04 = 144,451.12/x
  3. Step 3: Cross multiply
    481,489.72x = 722,147.04 × 144,451.12
  4. Step 4: Simplify right side
    481,489.72x = 104,314,948,732.69
  5. Step 5: Solve for x
    x = 104,314,948,732.69/481,489.72
  6. Step 6: Final answer
    x = 216,650.42

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1.5x scale

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.