Home / 686,516.52-1,029,843.96-181,112.42

Finding the Fourth Proportional to 686,516.52, 1,029,843.96 and 181,112.42

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Solution

The fourth proportional to 686,516.52, 1,029,843.96 and 181,112.42 is: 271,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,516.52 : 1,029,843.96 = 181,112.42 : x
  2. Step 2: Convert to fraction form
    686,516.52/1,029,843.96 = 181,112.42/x
  3. Step 3: Cross multiply
    686,516.52x = 1,029,843.96 × 181,112.42
  4. Step 4: Simplify right side
    686,516.52x = 186,517,531,817.98
  5. Step 5: Solve for x
    x = 186,517,531,817.98/686,516.52
  6. Step 6: Final answer
    x = 271,686.88

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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.