Home / 783,406.42-1,074,060.20-769,234.66

Finding the Fourth Proportional to 783,406.42, 1,074,060.20 and 769,234.66

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Solution

The fourth proportional to 783,406.42, 1,074,060.20 and 769,234.66 is: 1,054,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,406.42 : 1,074,060.20 = 769,234.66 : x
  2. Step 2: Convert to fraction form
    783,406.42/1,074,060.20 = 769,234.66/x
  3. Step 3: Cross multiply
    783,406.42x = 1,074,060.20 × 769,234.66
  4. Step 4: Simplify right side
    783,406.42x = 826,204,332,766.53
  5. Step 5: Solve for x
    x = 826,204,332,766.53/783,406.42
  6. Step 6: Final answer
    x = 1,054,630.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.