Home / 1,225,504.53-1,691,171.97-681,628.59

Finding the Fourth Proportional to 1,225,504.53, 1,691,171.97 and 681,628.59

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Solution

The fourth proportional to 1,225,504.53, 1,691,171.97 and 681,628.59 is: 940,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,504.53 : 1,691,171.97 = 681,628.59 : x
  2. Step 2: Convert to fraction form
    1,225,504.53/1,691,171.97 = 681,628.59/x
  3. Step 3: Cross multiply
    1,225,504.53x = 1,691,171.97 × 681,628.59
  4. Step 4: Simplify right side
    1,225,504.53x = 1,152,751,165,358.62
  5. Step 5: Solve for x
    x = 1,152,751,165,358.62/1,225,504.53
  6. Step 6: Final answer
    x = 940,633.95

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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.