Home / 686,204.10-1,029,306.15-187,568.10

Finding the Fourth Proportional to 686,204.10, 1,029,306.15 and 187,568.10

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Solution

The fourth proportional to 686,204.10, 1,029,306.15 and 187,568.10 is: 281,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,204.10 : 1,029,306.15 = 187,568.10 : x
  2. Step 2: Convert to fraction form
    686,204.10/1,029,306.15 = 187,568.10/x
  3. Step 3: Cross multiply
    686,204.10x = 1,029,306.15 × 187,568.10
  4. Step 4: Simplify right side
    686,204.10x = 193,064,998,873.82
  5. Step 5: Solve for x
    x = 193,064,998,873.82/686,204.10
  6. Step 6: Final answer
    x = 281,352.15

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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.