Home / 693,016.52-1,039,561.98-219,738.78

Finding the Fourth Proportional to 693,016.52, 1,039,561.98 and 219,738.78

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Solution

The fourth proportional to 693,016.52, 1,039,561.98 and 219,738.78 is: 329,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,016.52 : 1,039,561.98 = 219,738.78 : x
  2. Step 2: Convert to fraction form
    693,016.52/1,039,561.98 = 219,738.78/x
  3. Step 3: Cross multiply
    693,016.52x = 1,039,561.98 × 219,738.78
  4. Step 4: Simplify right side
    693,016.52x = 228,432,079,170.03
  5. Step 5: Solve for x
    x = 228,432,079,170.03/693,016.52
  6. Step 6: Final answer
    x = 329,619.96

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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.