Home / 644,163.20-966,244.80-223,481.60

Finding the Fourth Proportional to 644,163.20, 966,244.80 and 223,481.60

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Solution

The fourth proportional to 644,163.20, 966,244.80 and 223,481.60 is: 335,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,163.20 : 966,244.80 = 223,481.60 : x
  2. Step 2: Convert to fraction form
    644,163.20/966,244.80 = 223,481.60/x
  3. Step 3: Cross multiply
    644,163.20x = 966,244.80 × 223,481.60
  4. Step 4: Simplify right side
    644,163.20x = 215,937,933,895.68
  5. Step 5: Solve for x
    x = 215,937,933,895.68/644,163.20
  6. Step 6: Final answer
    x = 335,222.40

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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.