Home / 489,308.27-733,786.25-169,373.21

Finding the Fourth Proportional to 489,308.27, 733,786.25 and 169,373.21

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Solution

The fourth proportional to 489,308.27, 733,786.25 and 169,373.21 is: 253,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,308.27 : 733,786.25 = 169,373.21 : x
  2. Step 2: Convert to fraction form
    489,308.27/733,786.25 = 169,373.21/x
  3. Step 3: Cross multiply
    489,308.27x = 733,786.25 × 169,373.21
  4. Step 4: Simplify right side
    489,308.27x = 124,283,728,100.57
  5. Step 5: Solve for x
    x = 124,283,728,100.57/489,308.27
  6. Step 6: Final answer
    x = 253,998.83

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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.