Home / 686,517.14-1,029,844.91-181,113.05

Finding the Fourth Proportional to 686,517.14, 1,029,844.91 and 181,113.05

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Solution

The fourth proportional to 686,517.14, 1,029,844.91 and 181,113.05 is: 271,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,517.14 : 1,029,844.91 = 181,113.05 : x
  2. Step 2: Convert to fraction form
    686,517.14/1,029,844.91 = 181,113.05/x
  3. Step 3: Cross multiply
    686,517.14x = 1,029,844.91 × 181,113.05
  4. Step 4: Simplify right side
    686,517.14x = 186,518,355,704.47
  5. Step 5: Solve for x
    x = 186,518,355,704.47/686,517.14
  6. Step 6: Final answer
    x = 271,687.83

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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.