Home / 1,225,984.47-1,691,659.19-682,106.28

Finding the Fourth Proportional to 1,225,984.47, 1,691,659.19 and 682,106.28

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Solution

The fourth proportional to 1,225,984.47, 1,691,659.19 and 682,106.28 is: 941,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,984.47 : 1,691,659.19 = 682,106.28 : x
  2. Step 2: Convert to fraction form
    1,225,984.47/1,691,659.19 = 682,106.28/x
  3. Step 3: Cross multiply
    1,225,984.47x = 1,691,659.19 × 682,106.28
  4. Step 4: Simplify right side
    1,225,984.47x = 1,153,891,353,708.18
  5. Step 5: Solve for x
    x = 1,153,891,353,708.18/1,225,984.47
  6. Step 6: Final answer
    x = 941,195.73

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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.