Home / 925,901.22-1,277,793.32-517,978.73

Finding the Fourth Proportional to 925,901.22, 1,277,793.32 and 517,978.73

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Solution

The fourth proportional to 925,901.22, 1,277,793.32 and 517,978.73 is: 714,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,901.22 : 1,277,793.32 = 517,978.73 : x
  2. Step 2: Convert to fraction form
    925,901.22/1,277,793.32 = 517,978.73/x
  3. Step 3: Cross multiply
    925,901.22x = 1,277,793.32 × 517,978.73
  4. Step 4: Simplify right side
    925,901.22x = 661,869,766,417.22
  5. Step 5: Solve for x
    x = 661,869,766,417.22/925,901.22
  6. Step 6: Final answer
    x = 714,838.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.