Home / 892,507.85-1,231,662.30-484,610.48

Finding the Fourth Proportional to 892,507.85, 1,231,662.30 and 484,610.48

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Solution

The fourth proportional to 892,507.85, 1,231,662.30 and 484,610.48 is: 668,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,507.85 : 1,231,662.30 = 484,610.48 : x
  2. Step 2: Convert to fraction form
    892,507.85/1,231,662.30 = 484,610.48/x
  3. Step 3: Cross multiply
    892,507.85x = 1,231,662.30 × 484,610.48
  4. Step 4: Simplify right side
    892,507.85x = 596,876,458,400.90
  5. Step 5: Solve for x
    x = 596,876,458,400.90/892,507.85
  6. Step 6: Final answer
    x = 668,763.26

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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.