Home / 686,204.60-1,029,306.90-187,568.60

Finding the Fourth Proportional to 686,204.60, 1,029,306.90 and 187,568.60

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Solution

The fourth proportional to 686,204.60, 1,029,306.90 and 187,568.60 is: 281,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,204.60 : 1,029,306.90 = 187,568.60 : x
  2. Step 2: Convert to fraction form
    686,204.60/1,029,306.90 = 187,568.60/x
  3. Step 3: Cross multiply
    686,204.60x = 1,029,306.90 × 187,568.60
  4. Step 4: Simplify right side
    686,204.60x = 193,065,654,203.34
  5. Step 5: Solve for x
    x = 193,065,654,203.34/686,204.60
  6. Step 6: Final answer
    x = 281,352.90

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1.5x scale

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.