Home / 1,278,836.59-1,764,794.65-705,876.92

Finding the Fourth Proportional to 1,278,836.59, 1,764,794.65 and 705,876.92

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Solution

The fourth proportional to 1,278,836.59, 1,764,794.65 and 705,876.92 is: 974,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,836.59 : 1,764,794.65 = 705,876.92 : x
  2. Step 2: Convert to fraction form
    1,278,836.59/1,764,794.65 = 705,876.92/x
  3. Step 3: Cross multiply
    1,278,836.59x = 1,764,794.65 × 705,876.92
  4. Step 4: Simplify right side
    1,278,836.59x = 1,245,727,811,974.48
  5. Step 5: Solve for x
    x = 1,245,727,811,974.48/1,278,836.59
  6. Step 6: Final answer
    x = 974,110.24

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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.