Home / 728,634.50-1,093,024.66-223,189.64

Finding the Fourth Proportional to 728,634.50, 1,093,024.66 and 223,189.64

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Solution

The fourth proportional to 728,634.50, 1,093,024.66 and 223,189.64 is: 334,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,634.50 : 1,093,024.66 = 223,189.64 : x
  2. Step 2: Convert to fraction form
    728,634.50/1,093,024.66 = 223,189.64/x
  3. Step 3: Cross multiply
    728,634.50x = 1,093,024.66 × 223,189.64
  4. Step 4: Simplify right side
    728,634.50x = 243,951,780,376.52
  5. Step 5: Solve for x
    x = 243,951,780,376.52/728,634.50
  6. Step 6: Final answer
    x = 334,806.79

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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.