Home / 808,147.92-1,115,722.56-718,476.24

Finding the Fourth Proportional to 808,147.92, 1,115,722.56 and 718,476.24

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Solution

The fourth proportional to 808,147.92, 1,115,722.56 and 718,476.24 is: 991,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,147.92 : 1,115,722.56 = 718,476.24 : x
  2. Step 2: Convert to fraction form
    808,147.92/1,115,722.56 = 718,476.24/x
  3. Step 3: Cross multiply
    808,147.92x = 1,115,722.56 × 718,476.24
  4. Step 4: Simplify right side
    808,147.92x = 801,620,149,791.98
  5. Step 5: Solve for x
    x = 801,620,149,791.98/808,147.92
  6. Step 6: Final answer
    x = 991,922.56

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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.