Home / 783,586.80-1,175,380.20-251,489.70

Finding the Fourth Proportional to 783,586.80, 1,175,380.20 and 251,489.70

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Solution

The fourth proportional to 783,586.80, 1,175,380.20 and 251,489.70 is: 377,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,586.80 : 1,175,380.20 = 251,489.70 : x
  2. Step 2: Convert to fraction form
    783,586.80/1,175,380.20 = 251,489.70/x
  3. Step 3: Cross multiply
    783,586.80x = 1,175,380.20 × 251,489.70
  4. Step 4: Simplify right side
    783,586.80x = 295,596,013,883.94
  5. Step 5: Solve for x
    x = 295,596,013,883.94/783,586.80
  6. Step 6: Final answer
    x = 377,234.55

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Double scale
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Similar ratio
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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.