Home / 1,278,823.26-1,764,776.19-705,863.55

Finding the Fourth Proportional to 1,278,823.26, 1,764,776.19 and 705,863.55

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Solution

The fourth proportional to 1,278,823.26, 1,764,776.19 and 705,863.55 is: 974,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,823.26 : 1,764,776.19 = 705,863.55 : x
  2. Step 2: Convert to fraction form
    1,278,823.26/1,764,776.19 = 705,863.55/x
  3. Step 3: Cross multiply
    1,278,823.26x = 1,764,776.19 × 705,863.55
  4. Step 4: Simplify right side
    1,278,823.26x = 1,245,691,186,428.87
  5. Step 5: Solve for x
    x = 1,245,691,186,428.87/1,278,823.26
  6. Step 6: Final answer
    x = 974,091.75

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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.