Home / 1,215,768.68-1,677,921.17-1,175,844.48

Finding the Fourth Proportional to 1,215,768.68, 1,677,921.17 and 1,175,844.48

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Solution

The fourth proportional to 1,215,768.68, 1,677,921.17 and 1,175,844.48 is: 1,622,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,768.68 : 1,677,921.17 = 1,175,844.48 : x
  2. Step 2: Convert to fraction form
    1,215,768.68/1,677,921.17 = 1,175,844.48/x
  3. Step 3: Cross multiply
    1,215,768.68x = 1,677,921.17 × 1,175,844.48
  4. Step 4: Simplify right side
    1,215,768.68x = 1,972,974,345,619.64
  5. Step 5: Solve for x
    x = 1,972,974,345,619.64/1,215,768.68
  6. Step 6: Final answer
    x = 1,622,820.51

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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.