Home / 544,442.87-815,067.38-381,772.93

Finding the Fourth Proportional to 544,442.87, 815,067.38 and 381,772.93

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Solution

The fourth proportional to 544,442.87, 815,067.38 and 381,772.93 is: 571,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,442.87 : 815,067.38 = 381,772.93 : x
  2. Step 2: Convert to fraction form
    544,442.87/815,067.38 = 381,772.93/x
  3. Step 3: Cross multiply
    544,442.87x = 815,067.38 × 381,772.93
  4. Step 4: Simplify right side
    544,442.87x = 311,170,660,726.79
  5. Step 5: Solve for x
    x = 311,170,660,726.79/544,442.87
  6. Step 6: Final answer
    x = 571,539.61

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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.