Home / 725,169.62-1,087,380.92-325,467.74

Finding the Fourth Proportional to 725,169.62, 1,087,380.92 and 325,467.74

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Solution

The fourth proportional to 725,169.62, 1,087,380.92 and 325,467.74 is: 488,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,169.62 : 1,087,380.92 = 325,467.74 : x
  2. Step 2: Convert to fraction form
    725,169.62/1,087,380.92 = 325,467.74/x
  3. Step 3: Cross multiply
    725,169.62x = 1,087,380.92 × 325,467.74
  4. Step 4: Simplify right side
    725,169.62x = 353,907,405,114.62
  5. Step 5: Solve for x
    x = 353,907,405,114.62/725,169.62
  6. Step 6: Final answer
    x = 488,033.97

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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.