Home / 1,190,956.38-1,786,680.81-392,286.66

Finding the Fourth Proportional to 1,190,956.38, 1,786,680.81 and 392,286.66

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Solution

The fourth proportional to 1,190,956.38, 1,786,680.81 and 392,286.66 is: 588,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,956.38 : 1,786,680.81 = 392,286.66 : x
  2. Step 2: Convert to fraction form
    1,190,956.38/1,786,680.81 = 392,286.66/x
  3. Step 3: Cross multiply
    1,190,956.38x = 1,786,680.81 × 392,286.66
  4. Step 4: Simplify right side
    1,190,956.38x = 700,891,047,441.00
  5. Step 5: Solve for x
    x = 700,891,047,441.00/1,190,956.38
  6. Step 6: Final answer
    x = 588,511.10

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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.