Home / 739,321.96-1,109,052.78-206,843.08

Finding the Fourth Proportional to 739,321.96, 1,109,052.78 and 206,843.08

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Solution

The fourth proportional to 739,321.96, 1,109,052.78 and 206,843.08 is: 310,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,321.96 : 1,109,052.78 = 206,843.08 : x
  2. Step 2: Convert to fraction form
    739,321.96/1,109,052.78 = 206,843.08/x
  3. Step 3: Cross multiply
    739,321.96x = 1,109,052.78 × 206,843.08
  4. Step 4: Simplify right side
    739,321.96x = 229,399,892,897.76
  5. Step 5: Solve for x
    x = 229,399,892,897.76/739,321.96
  6. Step 6: Final answer
    x = 310,284.16

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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.