Home / 1,418,447.39-1,957,512.29-806,656.01

Finding the Fourth Proportional to 1,418,447.39, 1,957,512.29 and 806,656.01

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Solution

The fourth proportional to 1,418,447.39, 1,957,512.29 and 806,656.01 is: 1,113,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,447.39 : 1,957,512.29 = 806,656.01 : x
  2. Step 2: Convert to fraction form
    1,418,447.39/1,957,512.29 = 806,656.01/x
  3. Step 3: Cross multiply
    1,418,447.39x = 1,957,512.29 × 806,656.01
  4. Step 4: Simplify right side
    1,418,447.39x = 1,579,039,053,377.36
  5. Step 5: Solve for x
    x = 1,579,039,053,377.36/1,418,447.39
  6. Step 6: Final answer
    x = 1,113,216.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.