Home / 325,049.20-486,623.40-231,737.20

Finding the Fourth Proportional to 325,049.20, 486,623.40 and 231,737.20

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Solution

The fourth proportional to 325,049.20, 486,623.40 and 231,737.20 is: 346,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,049.20 : 486,623.40 = 231,737.20 : x
  2. Step 2: Convert to fraction form
    325,049.20/486,623.40 = 231,737.20/x
  3. Step 3: Cross multiply
    325,049.20x = 486,623.40 × 231,737.20
  4. Step 4: Simplify right side
    325,049.20x = 112,768,744,170.48
  5. Step 5: Solve for x
    x = 112,768,744,170.48/325,049.20
  6. Step 6: Final answer
    x = 346,928.23

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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.