Home / 534,511.20-800,211.60-324,040.80

Finding the Fourth Proportional to 534,511.20, 800,211.60 and 324,040.80

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Solution

The fourth proportional to 534,511.20, 800,211.60 and 324,040.80 is: 485,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,511.20 : 800,211.60 = 324,040.80 : x
  2. Step 2: Convert to fraction form
    534,511.20/800,211.60 = 324,040.80/x
  3. Step 3: Cross multiply
    534,511.20x = 800,211.60 × 324,040.80
  4. Step 4: Simplify right side
    534,511.20x = 259,301,207,033.28
  5. Step 5: Solve for x
    x = 259,301,207,033.28/534,511.20
  6. Step 6: Final answer
    x = 485,118.38

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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.