Home / 2,777,086.80-4,165,630.20-782,542.80

Finding the Fourth Proportional to 2,777,086.80, 4,165,630.20 and 782,542.80

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Solution

The fourth proportional to 2,777,086.80, 4,165,630.20 and 782,542.80 is: 1,173,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,086.80 : 4,165,630.20 = 782,542.80 : x
  2. Step 2: Convert to fraction form
    2,777,086.80/4,165,630.20 = 782,542.80/x
  3. Step 3: Cross multiply
    2,777,086.80x = 4,165,630.20 × 782,542.80
  4. Step 4: Simplify right side
    2,777,086.80x = 3,259,783,920,472.56
  5. Step 5: Solve for x
    x = 3,259,783,920,472.56/2,777,086.80
  6. Step 6: Final answer
    x = 1,173,814.20

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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.