Home / 1,333,254.91-1,839,886.69-721,408.85

Finding the Fourth Proportional to 1,333,254.91, 1,839,886.69 and 721,408.85

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Solution

The fourth proportional to 1,333,254.91, 1,839,886.69 and 721,408.85 is: 995,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,254.91 : 1,839,886.69 = 721,408.85 : x
  2. Step 2: Convert to fraction form
    1,333,254.91/1,839,886.69 = 721,408.85/x
  3. Step 3: Cross multiply
    1,333,254.91x = 1,839,886.69 × 721,408.85
  4. Step 4: Simplify right side
    1,333,254.91x = 1,327,310,541,163.21
  5. Step 5: Solve for x
    x = 1,327,310,541,163.21/1,333,254.91
  6. Step 6: Final answer
    x = 995,541.46

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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.