Home / 454,906.20-682,359.30-277,759.20

Finding the Fourth Proportional to 454,906.20, 682,359.30 and 277,759.20

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Solution

The fourth proportional to 454,906.20, 682,359.30 and 277,759.20 is: 416,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,906.20 : 682,359.30 = 277,759.20 : x
  2. Step 2: Convert to fraction form
    454,906.20/682,359.30 = 277,759.20/x
  3. Step 3: Cross multiply
    454,906.20x = 682,359.30 × 277,759.20
  4. Step 4: Simplify right side
    454,906.20x = 189,531,573,280.56
  5. Step 5: Solve for x
    x = 189,531,573,280.56/454,906.20
  6. Step 6: Final answer
    x = 416,638.80

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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.