Home / 770,375.85-1,063,149.99-426,205.83

Finding the Fourth Proportional to 770,375.85, 1,063,149.99 and 426,205.83

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Solution

The fourth proportional to 770,375.85, 1,063,149.99 and 426,205.83 is: 588,181.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,375.85 : 1,063,149.99 = 426,205.83 : x
  2. Step 2: Convert to fraction form
    770,375.85/1,063,149.99 = 426,205.83/x
  3. Step 3: Cross multiply
    770,375.85x = 1,063,149.99 × 426,205.83
  4. Step 4: Simplify right side
    770,375.85x = 453,120,723,902.44
  5. Step 5: Solve for x
    x = 453,120,723,902.44/770,375.85
  6. Step 6: Final answer
    x = 588,181.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.