Home / 263,087.20-394,659.60-254,792.80

Finding the Fourth Proportional to 263,087.20, 394,659.60 and 254,792.80

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Solution

The fourth proportional to 263,087.20, 394,659.60 and 254,792.80 is: 382,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,087.20 : 394,659.60 = 254,792.80 : x
  2. Step 2: Convert to fraction form
    263,087.20/394,659.60 = 254,792.80/x
  3. Step 3: Cross multiply
    263,087.20x = 394,659.60 × 254,792.80
  4. Step 4: Simplify right side
    263,087.20x = 100,556,424,530.88
  5. Step 5: Solve for x
    x = 100,556,424,530.88/263,087.20
  6. Step 6: Final answer
    x = 382,217.09

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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.