Home / 481,583.40-721,856.70-181,948.20

Finding the Fourth Proportional to 481,583.40, 721,856.70 and 181,948.20

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Solution

The fourth proportional to 481,583.40, 721,856.70 and 181,948.20 is: 272,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,583.40 : 721,856.70 = 181,948.20 : x
  2. Step 2: Convert to fraction form
    481,583.40/721,856.70 = 181,948.20/x
  3. Step 3: Cross multiply
    481,583.40x = 721,856.70 × 181,948.20
  4. Step 4: Simplify right side
    481,583.40x = 131,340,527,222.94
  5. Step 5: Solve for x
    x = 131,340,527,222.94/481,583.40
  6. Step 6: Final answer
    x = 272,726.44

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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.