Home / 826,615.70-1,239,923.55-294,737.30

Finding the Fourth Proportional to 826,615.70, 1,239,923.55 and 294,737.30

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Solution

The fourth proportional to 826,615.70, 1,239,923.55 and 294,737.30 is: 442,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,615.70 : 1,239,923.55 = 294,737.30 : x
  2. Step 2: Convert to fraction form
    826,615.70/1,239,923.55 = 294,737.30/x
  3. Step 3: Cross multiply
    826,615.70x = 1,239,923.55 × 294,737.30
  4. Step 4: Simplify right side
    826,615.70x = 365,451,719,333.42
  5. Step 5: Solve for x
    x = 365,451,719,333.42/826,615.70
  6. Step 6: Final answer
    x = 442,105.95

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Similar ratio
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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.