Home / 3,309,745.92-4,964,520-913,736.72

Finding the Fourth Proportional to 3,309,745.92, 4,964,520 and 913,736.72

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Solution

The fourth proportional to 3,309,745.92, 4,964,520 and 913,736.72 is: 1,370,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,745.92 : 4,964,520 = 913,736.72 : x
  2. Step 2: Convert to fraction form
    3,309,745.92/4,964,520 = 913,736.72/x
  3. Step 3: Cross multiply
    3,309,745.92x = 4,964,520 × 913,736.72
  4. Step 4: Simplify right side
    3,309,745.92x = 4,536,264,221,174.40
  5. Step 5: Solve for x
    x = 4,536,264,221,174.40/3,309,745.92
  6. Step 6: Final answer
    x = 1,370,577.78

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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.