Home / 1,228,967.74-1,696,076.43-677,791.24

Finding the Fourth Proportional to 1,228,967.74, 1,696,076.43 and 677,791.24

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Solution

The fourth proportional to 1,228,967.74, 1,696,076.43 and 677,791.24 is: 935,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,967.74 : 1,696,076.43 = 677,791.24 : x
  2. Step 2: Convert to fraction form
    1,228,967.74/1,696,076.43 = 677,791.24/x
  3. Step 3: Cross multiply
    1,228,967.74x = 1,696,076.43 × 677,791.24
  4. Step 4: Simplify right side
    1,228,967.74x = 1,149,585,751,286.29
  5. Step 5: Solve for x
    x = 1,149,585,751,286.29/1,228,967.74
  6. Step 6: Final answer
    x = 935,407.59

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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.