Home / 1,328,832.97-1,833,151.70-869,745.42

Finding the Fourth Proportional to 1,328,832.97, 1,833,151.70 and 869,745.42

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Solution

The fourth proportional to 1,328,832.97, 1,833,151.70 and 869,745.42 is: 1,199,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,832.97 : 1,833,151.70 = 869,745.42 : x
  2. Step 2: Convert to fraction form
    1,328,832.97/1,833,151.70 = 869,745.42/x
  3. Step 3: Cross multiply
    1,328,832.97x = 1,833,151.70 × 869,745.42
  4. Step 4: Simplify right side
    1,328,832.97x = 1,594,375,297,414.58
  5. Step 5: Solve for x
    x = 1,594,375,297,414.58/1,328,832.97
  6. Step 6: Final answer
    x = 1,199,831.23

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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.