Home / 1,917,661.68-2,875,744.89-718,930.53

Finding the Fourth Proportional to 1,917,661.68, 2,875,744.89 and 718,930.53

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Solution

The fourth proportional to 1,917,661.68, 2,875,744.89 and 718,930.53 is: 1,078,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,661.68 : 2,875,744.89 = 718,930.53 : x
  2. Step 2: Convert to fraction form
    1,917,661.68/2,875,744.89 = 718,930.53/x
  3. Step 3: Cross multiply
    1,917,661.68x = 2,875,744.89 × 718,930.53
  4. Step 4: Simplify right side
    1,917,661.68x = 2,067,460,797,912.49
  5. Step 5: Solve for x
    x = 2,067,460,797,912.49/1,917,661.68
  6. Step 6: Final answer
    x = 1,078,115.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.