Home / 1,278,727.52-1,764,640.28-705,763.60

Finding the Fourth Proportional to 1,278,727.52, 1,764,640.28 and 705,763.60

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Solution

The fourth proportional to 1,278,727.52, 1,764,640.28 and 705,763.60 is: 973,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,727.52 : 1,764,640.28 = 705,763.60 : x
  2. Step 2: Convert to fraction form
    1,278,727.52/1,764,640.28 = 705,763.60/x
  3. Step 3: Cross multiply
    1,278,727.52x = 1,764,640.28 × 705,763.60
  4. Step 4: Simplify right side
    1,278,727.52x = 1,245,418,876,717.81
  5. Step 5: Solve for x
    x = 1,245,418,876,717.81/1,278,727.52
  6. Step 6: Final answer
    x = 973,951.73

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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.