Home / 825,778.80-1,238,704.20-226,724.40

Finding the Fourth Proportional to 825,778.80, 1,238,704.20 and 226,724.40

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Solution

The fourth proportional to 825,778.80, 1,238,704.20 and 226,724.40 is: 340,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,778.80 : 1,238,704.20 = 226,724.40 : x
  2. Step 2: Convert to fraction form
    825,778.80/1,238,704.20 = 226,724.40/x
  3. Step 3: Cross multiply
    825,778.80x = 1,238,704.20 × 226,724.40
  4. Step 4: Simplify right side
    825,778.80x = 280,844,466,522.48
  5. Step 5: Solve for x
    x = 280,844,466,522.48/825,778.80
  6. Step 6: Final answer
    x = 340,096.48

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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.