Home / 481,499.13-721,854.63-181,809.66

Finding the Fourth Proportional to 481,499.13, 721,854.63 and 181,809.66

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Solution

The fourth proportional to 481,499.13, 721,854.63 and 181,809.66 is: 272,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,499.13 : 721,854.63 = 181,809.66 : x
  2. Step 2: Convert to fraction form
    481,499.13/721,854.63 = 181,809.66/x
  3. Step 3: Cross multiply
    481,499.13x = 721,854.63 × 181,809.66
  4. Step 4: Simplify right side
    481,499.13x = 131,240,144,849.73
  5. Step 5: Solve for x
    x = 131,240,144,849.73/481,499.13
  6. Step 6: Final answer
    x = 272,565.69

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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.