Home / 753,069.72-1,129,604.52-192,104.20

Finding the Fourth Proportional to 753,069.72, 1,129,604.52 and 192,104.20

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Solution

The fourth proportional to 753,069.72, 1,129,604.52 and 192,104.20 is: 288,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,069.72 : 1,129,604.52 = 192,104.20 : x
  2. Step 2: Convert to fraction form
    753,069.72/1,129,604.52 = 192,104.20/x
  3. Step 3: Cross multiply
    753,069.72x = 1,129,604.52 × 192,104.20
  4. Step 4: Simplify right side
    753,069.72x = 217,001,772,630.98
  5. Step 5: Solve for x
    x = 217,001,772,630.98/753,069.72
  6. Step 6: Final answer
    x = 288,156.28

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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.