Home / 1,917,618.57-2,875,680.29-718,886.81

Finding the Fourth Proportional to 1,917,618.57, 2,875,680.29 and 718,886.81

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Solution

The fourth proportional to 1,917,618.57, 2,875,680.29 and 718,886.81 is: 1,078,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,618.57 : 2,875,680.29 = 718,886.81 : x
  2. Step 2: Convert to fraction form
    1,917,618.57/2,875,680.29 = 718,886.81/x
  3. Step 3: Cross multiply
    1,917,618.57x = 2,875,680.29 × 718,886.81
  4. Step 4: Simplify right side
    1,917,618.57x = 2,067,288,639,244.39
  5. Step 5: Solve for x
    x = 2,067,288,639,244.39/1,917,618.57
  6. Step 6: Final answer
    x = 1,078,049.97

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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.