Home / 1,039,982.64-1,433,788.20-825,831.60

Finding the Fourth Proportional to 1,039,982.64, 1,433,788.20 and 825,831.60

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Solution

The fourth proportional to 1,039,982.64, 1,433,788.20 and 825,831.60 is: 1,138,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,982.64 : 1,433,788.20 = 825,831.60 : x
  2. Step 2: Convert to fraction form
    1,039,982.64/1,433,788.20 = 825,831.60/x
  3. Step 3: Cross multiply
    1,039,982.64x = 1,433,788.20 × 825,831.60
  4. Step 4: Simplify right side
    1,039,982.64x = 1,184,067,603,267.12
  5. Step 5: Solve for x
    x = 1,184,067,603,267.12/1,039,982.64
  6. Step 6: Final answer
    x = 1,138,545.55

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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.