Home / 858,706.10-1,288,059.15-227,683.70

Finding the Fourth Proportional to 858,706.10, 1,288,059.15 and 227,683.70

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Solution

The fourth proportional to 858,706.10, 1,288,059.15 and 227,683.70 is: 341,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,706.10 : 1,288,059.15 = 227,683.70 : x
  2. Step 2: Convert to fraction form
    858,706.10/1,288,059.15 = 227,683.70/x
  3. Step 3: Cross multiply
    858,706.10x = 1,288,059.15 × 227,683.70
  4. Step 4: Simplify right side
    858,706.10x = 293,270,073,090.86
  5. Step 5: Solve for x
    x = 293,270,073,090.86/858,706.10
  6. Step 6: Final answer
    x = 341,525.55

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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.