Home / 454,850.80-682,276.20-255,311.35

Finding the Fourth Proportional to 454,850.80, 682,276.20 and 255,311.35

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Solution

The fourth proportional to 454,850.80, 682,276.20 and 255,311.35 is: 382,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,850.80 : 682,276.20 = 255,311.35 : x
  2. Step 2: Convert to fraction form
    454,850.80/682,276.20 = 255,311.35/x
  3. Step 3: Cross multiply
    454,850.80x = 682,276.20 × 255,311.35
  4. Step 4: Simplify right side
    454,850.80x = 174,192,857,694.87
  5. Step 5: Solve for x
    x = 174,192,857,694.87/454,850.80
  6. Step 6: Final answer
    x = 382,967.03

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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.