Home / 1,917,623.68-2,875,687.86-718,892.56

Finding the Fourth Proportional to 1,917,623.68, 2,875,687.86 and 718,892.56

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Solution

The fourth proportional to 1,917,623.68, 2,875,687.86 and 718,892.56 is: 1,078,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,623.68 : 2,875,687.86 = 718,892.56 : x
  2. Step 2: Convert to fraction form
    1,917,623.68/2,875,687.86 = 718,892.56/x
  3. Step 3: Cross multiply
    1,917,623.68x = 2,875,687.86 × 718,892.56
  4. Step 4: Simplify right side
    1,917,623.68x = 2,067,310,607,436.32
  5. Step 5: Solve for x
    x = 2,067,310,607,436.32/1,917,623.68
  6. Step 6: Final answer
    x = 1,078,058.55

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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.