Home / 744,992.20-1,117,508.82-272,029.96

Finding the Fourth Proportional to 744,992.20, 1,117,508.82 and 272,029.96

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Solution

The fourth proportional to 744,992.20, 1,117,508.82 and 272,029.96 is: 408,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,992.20 : 1,117,508.82 = 272,029.96 : x
  2. Step 2: Convert to fraction form
    744,992.20/1,117,508.82 = 272,029.96/x
  3. Step 3: Cross multiply
    744,992.20x = 1,117,508.82 × 272,029.96
  4. Step 4: Simplify right side
    744,992.20x = 303,995,879,604.25
  5. Step 5: Solve for x
    x = 303,995,879,604.25/744,992.20
  6. Step 6: Final answer
    x = 408,052.43

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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.