Home / 1,917,592.32-2,875,641.24-718,860.78

Finding the Fourth Proportional to 1,917,592.32, 2,875,641.24 and 718,860.78

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Solution

The fourth proportional to 1,917,592.32, 2,875,641.24 and 718,860.78 is: 1,078,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,592.32 : 2,875,641.24 = 718,860.78 : x
  2. Step 2: Convert to fraction form
    1,917,592.32/2,875,641.24 = 718,860.78/x
  3. Step 3: Cross multiply
    1,917,592.32x = 2,875,641.24 × 718,860.78
  4. Step 4: Simplify right side
    1,917,592.32x = 2,067,185,704,786.57
  5. Step 5: Solve for x
    x = 2,067,185,704,786.57/1,917,592.32
  6. Step 6: Final answer
    x = 1,078,011.05

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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.