Home / 753,908.80-1,130,863.20-192,943.30

Finding the Fourth Proportional to 753,908.80, 1,130,863.20 and 192,943.30

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Solution

The fourth proportional to 753,908.80, 1,130,863.20 and 192,943.30 is: 289,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,908.80 : 1,130,863.20 = 192,943.30 : x
  2. Step 2: Convert to fraction form
    753,908.80/1,130,863.20 = 192,943.30/x
  3. Step 3: Cross multiply
    753,908.80x = 1,130,863.20 × 192,943.30
  4. Step 4: Simplify right side
    753,908.80x = 218,192,477,656.56
  5. Step 5: Solve for x
    x = 218,192,477,656.56/753,908.80
  6. Step 6: Final answer
    x = 289,414.95

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Double scale
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Similar ratio
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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.