Home / 481,584.40-721,858.20-181,949.20

Finding the Fourth Proportional to 481,584.40, 721,858.20 and 181,949.20

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Solution

The fourth proportional to 481,584.40, 721,858.20 and 181,949.20 is: 272,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,584.40 : 721,858.20 = 181,949.20 : x
  2. Step 2: Convert to fraction form
    481,584.40/721,858.20 = 181,949.20/x
  3. Step 3: Cross multiply
    481,584.40x = 721,858.20 × 181,949.20
  4. Step 4: Simplify right side
    481,584.40x = 131,341,522,003.44
  5. Step 5: Solve for x
    x = 131,341,522,003.44/481,584.40
  6. Step 6: Final answer
    x = 272,727.94

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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.