Home / 816,092.20-1,224,138.30-516,910.60

Finding the Fourth Proportional to 816,092.20, 1,224,138.30 and 516,910.60

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Solution

The fourth proportional to 816,092.20, 1,224,138.30 and 516,910.60 is: 775,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,092.20 : 1,224,138.30 = 516,910.60 : x
  2. Step 2: Convert to fraction form
    816,092.20/1,224,138.30 = 516,910.60/x
  3. Step 3: Cross multiply
    816,092.20x = 1,224,138.30 × 516,910.60
  4. Step 4: Simplify right side
    816,092.20x = 632,770,063,135.98
  5. Step 5: Solve for x
    x = 632,770,063,135.98/816,092.20
  6. Step 6: Final answer
    x = 775,365.90

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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.