Home / 502,742.22-693,788.78-273,299.95

Finding the Fourth Proportional to 502,742.22, 693,788.78 and 273,299.95

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Solution

The fourth proportional to 502,742.22, 693,788.78 and 273,299.95 is: 377,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,742.22 : 693,788.78 = 273,299.95 : x
  2. Step 2: Convert to fraction form
    502,742.22/693,788.78 = 273,299.95/x
  3. Step 3: Cross multiply
    502,742.22x = 693,788.78 × 273,299.95
  4. Step 4: Simplify right side
    502,742.22x = 189,612,434,049.12
  5. Step 5: Solve for x
    x = 189,612,434,049.12/502,742.22
  6. Step 6: Final answer
    x = 377,156.38

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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.