Home / 728,770.85-1,093,316.21-223,369.83

Finding the Fourth Proportional to 728,770.85, 1,093,316.21 and 223,369.83

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Solution

The fourth proportional to 728,770.85, 1,093,316.21 and 223,369.83 is: 335,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,770.85 : 1,093,316.21 = 223,369.83 : x
  2. Step 2: Convert to fraction form
    728,770.85/1,093,316.21 = 223,369.83/x
  3. Step 3: Cross multiply
    728,770.85x = 1,093,316.21 × 223,369.83
  4. Step 4: Simplify right side
    728,770.85x = 244,213,851,584.80
  5. Step 5: Solve for x
    x = 244,213,851,584.80/728,770.85
  6. Step 6: Final answer
    x = 335,103.76

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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.