Home / 686,191.04-1,029,254.88-187,553.60

Finding the Fourth Proportional to 686,191.04, 1,029,254.88 and 187,553.60

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Solution

The fourth proportional to 686,191.04, 1,029,254.88 and 187,553.60 is: 281,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,191.04 : 1,029,254.88 = 187,553.60 : x
  2. Step 2: Convert to fraction form
    686,191.04/1,029,254.88 = 187,553.60/x
  3. Step 3: Cross multiply
    686,191.04x = 1,029,254.88 × 187,553.60
  4. Step 4: Simplify right side
    686,191.04x = 193,040,458,061.57
  5. Step 5: Solve for x
    x = 193,040,458,061.57/686,191.04
  6. Step 6: Final answer
    x = 281,321.74

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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.