Home / 394,743.80-591,824.10-169,920.20

Finding the Fourth Proportional to 394,743.80, 591,824.10 and 169,920.20

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Solution

The fourth proportional to 394,743.80, 591,824.10 and 169,920.20 is: 254,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,743.80 : 591,824.10 = 169,920.20 : x
  2. Step 2: Convert to fraction form
    394,743.80/591,824.10 = 169,920.20/x
  3. Step 3: Cross multiply
    394,743.80x = 591,824.10 × 169,920.20
  4. Step 4: Simplify right side
    394,743.80x = 100,562,869,436.82
  5. Step 5: Solve for x
    x = 100,562,869,436.82/394,743.80
  6. Step 6: Final answer
    x = 254,754.78

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1.5x scale

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.