Home / 1,173,920.85-1,619,258.04-806,220.54

Finding the Fourth Proportional to 1,173,920.85, 1,619,258.04 and 806,220.54

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Solution

The fourth proportional to 1,173,920.85, 1,619,258.04 and 806,220.54 is: 1,112,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,920.85 : 1,619,258.04 = 806,220.54 : x
  2. Step 2: Convert to fraction form
    1,173,920.85/1,619,258.04 = 806,220.54/x
  3. Step 3: Cross multiply
    1,173,920.85x = 1,619,258.04 × 806,220.54
  4. Step 4: Simplify right side
    1,173,920.85x = 1,305,479,091,408.14
  5. Step 5: Solve for x
    x = 1,305,479,091,408.14/1,173,920.85
  6. Step 6: Final answer
    x = 1,112,067.39

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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.