Home / 1,278,816.29-1,764,766.62-705,856.61

Finding the Fourth Proportional to 1,278,816.29, 1,764,766.62 and 705,856.61

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Solution

The fourth proportional to 1,278,816.29, 1,764,766.62 and 705,856.61 is: 974,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,816.29 : 1,764,766.62 = 705,856.61 : x
  2. Step 2: Convert to fraction form
    1,278,816.29/1,764,766.62 = 705,856.61/x
  3. Step 3: Cross multiply
    1,278,816.29x = 1,764,766.62 × 705,856.61
  4. Step 4: Simplify right side
    1,278,816.29x = 1,245,672,175,010.53
  5. Step 5: Solve for x
    x = 1,245,672,175,010.53/1,278,816.29
  6. Step 6: Final answer
    x = 974,082.20

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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.