Home / 381,344.28-526,124.76-217,883.50

Finding the Fourth Proportional to 381,344.28, 526,124.76 and 217,883.50

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Solution

The fourth proportional to 381,344.28, 526,124.76 and 217,883.50 is: 300,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,344.28 : 526,124.76 = 217,883.50 : x
  2. Step 2: Convert to fraction form
    381,344.28/526,124.76 = 217,883.50/x
  3. Step 3: Cross multiply
    381,344.28x = 526,124.76 × 217,883.50
  4. Step 4: Simplify right side
    381,344.28x = 114,633,906,504.53
  5. Step 5: Solve for x
    x = 114,633,906,504.53/381,344.28
  6. Step 6: Final answer
    x = 300,604.76

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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.