Home / 728,763.54-1,093,021.08-196,165.86

Finding the Fourth Proportional to 728,763.54, 1,093,021.08 and 196,165.86

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Solution

The fourth proportional to 728,763.54, 1,093,021.08 and 196,165.86 is: 294,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,763.54 : 1,093,021.08 = 196,165.86 : x
  2. Step 2: Convert to fraction form
    728,763.54/1,093,021.08 = 196,165.86/x
  3. Step 3: Cross multiply
    728,763.54x = 1,093,021.08 × 196,165.86
  4. Step 4: Simplify right side
    728,763.54x = 214,413,420,156.33
  5. Step 5: Solve for x
    x = 214,413,420,156.33/728,763.54
  6. Step 6: Final answer
    x = 294,215.35

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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.