Home / 393,922.68-543,605.92-240,949.64

Finding the Fourth Proportional to 393,922.68, 543,605.92 and 240,949.64

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Solution

The fourth proportional to 393,922.68, 543,605.92 and 240,949.64 is: 332,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,922.68 : 543,605.92 = 240,949.64 : x
  2. Step 2: Convert to fraction form
    393,922.68/543,605.92 = 240,949.64/x
  3. Step 3: Cross multiply
    393,922.68x = 543,605.92 × 240,949.64
  4. Step 4: Simplify right side
    393,922.68x = 130,981,647,405.47
  5. Step 5: Solve for x
    x = 130,981,647,405.47/393,922.68
  6. Step 6: Final answer
    x = 332,505.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.