Home / 1,393,874.30-1,923,662.46-773,737.83

Finding the Fourth Proportional to 1,393,874.30, 1,923,662.46 and 773,737.83

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Solution

The fourth proportional to 1,393,874.30, 1,923,662.46 and 773,737.83 is: 1,067,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,874.30 : 1,923,662.46 = 773,737.83 : x
  2. Step 2: Convert to fraction form
    1,393,874.30/1,923,662.46 = 773,737.83/x
  3. Step 3: Cross multiply
    1,393,874.30x = 1,923,662.46 × 773,737.83
  4. Step 4: Simplify right side
    1,393,874.30x = 1,488,410,417,452.86
  5. Step 5: Solve for x
    x = 1,488,410,417,452.86/1,393,874.30
  6. Step 6: Final answer
    x = 1,067,822.56

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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.