Home / 725,760.62-1,088,655.92-264,122.81

Finding the Fourth Proportional to 725,760.62, 1,088,655.92 and 264,122.81

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Solution

The fourth proportional to 725,760.62, 1,088,655.92 and 264,122.81 is: 396,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,760.62 : 1,088,655.92 = 264,122.81 : x
  2. Step 2: Convert to fraction form
    725,760.62/1,088,655.92 = 264,122.81/x
  3. Step 3: Cross multiply
    725,760.62x = 1,088,655.92 × 264,122.81
  4. Step 4: Simplify right side
    725,760.62x = 287,538,859,392.92
  5. Step 5: Solve for x
    x = 287,538,859,392.92/725,760.62
  6. Step 6: Final answer
    x = 396,189.67

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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.