Home / 1,451,984.88-2,176,555.68-812,600.85

Finding the Fourth Proportional to 1,451,984.88, 2,176,555.68 and 812,600.85

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Solution

The fourth proportional to 1,451,984.88, 2,176,555.68 and 812,600.85 is: 1,218,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,984.88 : 2,176,555.68 = 812,600.85 : x
  2. Step 2: Convert to fraction form
    1,451,984.88/2,176,555.68 = 812,600.85/x
  3. Step 3: Cross multiply
    1,451,984.88x = 2,176,555.68 × 812,600.85
  4. Step 4: Simplify right side
    1,451,984.88x = 1,768,670,995,640.33
  5. Step 5: Solve for x
    x = 1,768,670,995,640.33/1,451,984.88
  6. Step 6: Final answer
    x = 1,218,105.66

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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.