Home / 1,691,508.83-2,334,280.82-917,165.33

Finding the Fourth Proportional to 1,691,508.83, 2,334,280.82 and 917,165.33

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Solution

The fourth proportional to 1,691,508.83, 2,334,280.82 and 917,165.33 is: 1,265,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,508.83 : 2,334,280.82 = 917,165.33 : x
  2. Step 2: Convert to fraction form
    1,691,508.83/2,334,280.82 = 917,165.33/x
  3. Step 3: Cross multiply
    1,691,508.83x = 2,334,280.82 × 917,165.33
  4. Step 4: Simplify right side
    1,691,508.83x = 2,140,921,438,587.97
  5. Step 5: Solve for x
    x = 2,140,921,438,587.97/1,691,508.83
  6. Step 6: Final answer
    x = 1,265,687.42

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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.