Home / 1,225,891.35-1,691,724.96-682,079.22

Finding the Fourth Proportional to 1,225,891.35, 1,691,724.96 and 682,079.22

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Solution

The fourth proportional to 1,225,891.35, 1,691,724.96 and 682,079.22 is: 941,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,891.35 : 1,691,724.96 = 682,079.22 : x
  2. Step 2: Convert to fraction form
    1,225,891.35/1,691,724.96 = 682,079.22/x
  3. Step 3: Cross multiply
    1,225,891.35x = 1,691,724.96 × 682,079.22
  4. Step 4: Simplify right side
    1,225,891.35x = 1,153,890,441,171.33
  5. Step 5: Solve for x
    x = 1,153,890,441,171.33/1,225,891.35
  6. Step 6: Final answer
    x = 941,266.48

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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.