Home / 1,917,634.32-2,875,703.90-718,902.59

Finding the Fourth Proportional to 1,917,634.32, 2,875,703.90 and 718,902.59

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Solution

The fourth proportional to 1,917,634.32, 2,875,703.90 and 718,902.59 is: 1,078,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,634.32 : 2,875,703.90 = 718,902.59 : x
  2. Step 2: Convert to fraction form
    1,917,634.32/2,875,703.90 = 718,902.59/x
  3. Step 3: Cross multiply
    1,917,634.32x = 2,875,703.90 × 718,902.59
  4. Step 4: Simplify right side
    1,917,634.32x = 2,067,350,963,810.07
  5. Step 5: Solve for x
    x = 2,067,350,963,810.07/1,917,634.32
  6. Step 6: Final answer
    x = 1,078,073.62

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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.