Home / 725,169.74-1,087,381.11-325,467.86

Finding the Fourth Proportional to 725,169.74, 1,087,381.11 and 325,467.86

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Solution

The fourth proportional to 725,169.74, 1,087,381.11 and 325,467.86 is: 488,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,169.74 : 1,087,381.11 = 325,467.86 : x
  2. Step 2: Convert to fraction form
    725,169.74/1,087,381.11 = 325,467.86/x
  3. Step 3: Cross multiply
    725,169.74x = 1,087,381.11 × 325,467.86
  4. Step 4: Simplify right side
    725,169.74x = 353,907,600,296.39
  5. Step 5: Solve for x
    x = 353,907,600,296.39/725,169.74
  6. Step 6: Final answer
    x = 488,034.15

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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.