Home / 1,333,254.41-1,839,886-721,408.36

Finding the Fourth Proportional to 1,333,254.41, 1,839,886 and 721,408.36

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Solution

The fourth proportional to 1,333,254.41, 1,839,886 and 721,408.36 is: 995,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,254.41 : 1,839,886 = 721,408.36 : x
  2. Step 2: Convert to fraction form
    1,333,254.41/1,839,886 = 721,408.36/x
  3. Step 3: Cross multiply
    1,333,254.41x = 1,839,886 × 721,408.36
  4. Step 4: Simplify right side
    1,333,254.41x = 1,327,309,132,647.53
  5. Step 5: Solve for x
    x = 1,327,309,132,647.53/1,333,254.41
  6. Step 6: Final answer
    x = 995,540.78

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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.