Home / 801,680.80-1,106,319.78-439,110.73

Finding the Fourth Proportional to 801,680.80, 1,106,319.78 and 439,110.73

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Solution

The fourth proportional to 801,680.80, 1,106,319.78 and 439,110.73 is: 605,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,680.80 : 1,106,319.78 = 439,110.73 : x
  2. Step 2: Convert to fraction form
    801,680.80/1,106,319.78 = 439,110.73/x
  3. Step 3: Cross multiply
    801,680.80x = 1,106,319.78 × 439,110.73
  4. Step 4: Simplify right side
    801,680.80x = 485,796,886,209.24
  5. Step 5: Solve for x
    x = 485,796,886,209.24/801,680.80
  6. Step 6: Final answer
    x = 605,972.96

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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.