Home / 1,247,943.54-1,722,162.06-674,983.73

Finding the Fourth Proportional to 1,247,943.54, 1,722,162.06 and 674,983.73

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Solution

The fourth proportional to 1,247,943.54, 1,722,162.06 and 674,983.73 is: 931,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,943.54 : 1,722,162.06 = 674,983.73 : x
  2. Step 2: Convert to fraction form
    1,247,943.54/1,722,162.06 = 674,983.73/x
  3. Step 3: Cross multiply
    1,247,943.54x = 1,722,162.06 × 674,983.73
  4. Step 4: Simplify right side
    1,247,943.54x = 1,162,431,375,228.69
  5. Step 5: Solve for x
    x = 1,162,431,375,228.69/1,247,943.54
  6. Step 6: Final answer
    x = 931,477.53

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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.