Home / 1,015,781.27-1,401,793.92-556,937.73

Finding the Fourth Proportional to 1,015,781.27, 1,401,793.92 and 556,937.73

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Solution

The fourth proportional to 1,015,781.27, 1,401,793.92 and 556,937.73 is: 768,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,781.27 : 1,401,793.92 = 556,937.73 : x
  2. Step 2: Convert to fraction form
    1,015,781.27/1,401,793.92 = 556,937.73/x
  3. Step 3: Cross multiply
    1,015,781.27x = 1,401,793.92 × 556,937.73
  4. Step 4: Simplify right side
    1,015,781.27x = 780,711,923,732.60
  5. Step 5: Solve for x
    x = 780,711,923,732.60/1,015,781.27
  6. Step 6: Final answer
    x = 768,582.72

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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.