Home / 394,911.45-592,367.18-261,941.85

Finding the Fourth Proportional to 394,911.45, 592,367.18 and 261,941.85

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Solution

The fourth proportional to 394,911.45, 592,367.18 and 261,941.85 is: 392,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,911.45 : 592,367.18 = 261,941.85 : x
  2. Step 2: Convert to fraction form
    394,911.45/592,367.18 = 261,941.85/x
  3. Step 3: Cross multiply
    394,911.45x = 592,367.18 × 261,941.85
  4. Step 4: Simplify right side
    394,911.45x = 155,165,753,698.77
  5. Step 5: Solve for x
    x = 155,165,753,698.77/394,911.45
  6. Step 6: Final answer
    x = 392,912.78

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1.5x scale

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.