Home / 819,511.11-1,229,447.24-250,896.51

Finding the Fourth Proportional to 819,511.11, 1,229,447.24 and 250,896.51

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Solution

The fourth proportional to 819,511.11, 1,229,447.24 and 250,896.51 is: 376,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,511.11 : 1,229,447.24 = 250,896.51 : x
  2. Step 2: Convert to fraction form
    819,511.11/1,229,447.24 = 250,896.51/x
  3. Step 3: Cross multiply
    819,511.11x = 1,229,447.24 × 250,896.51
  4. Step 4: Simplify right side
    819,511.11x = 308,464,021,745.13
  5. Step 5: Solve for x
    x = 308,464,021,745.13/819,511.11
  6. Step 6: Final answer
    x = 376,400.05

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1.5x scale

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.