Home / 1,100,625.68-1,519,185.96-718,711.76

Finding the Fourth Proportional to 1,100,625.68, 1,519,185.96 and 718,711.76

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Solution

The fourth proportional to 1,100,625.68, 1,519,185.96 and 718,711.76 is: 992,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,625.68 : 1,519,185.96 = 718,711.76 : x
  2. Step 2: Convert to fraction form
    1,100,625.68/1,519,185.96 = 718,711.76/x
  3. Step 3: Cross multiply
    1,100,625.68x = 1,519,185.96 × 718,711.76
  4. Step 4: Simplify right side
    1,100,625.68x = 1,091,856,815,078.89
  5. Step 5: Solve for x
    x = 1,091,856,815,078.89/1,100,625.68
  6. Step 6: Final answer
    x = 992,032.84

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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.