Home / 866,815.20-1,300,222.80-227,117.70

Finding the Fourth Proportional to 866,815.20, 1,300,222.80 and 227,117.70

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Solution

The fourth proportional to 866,815.20, 1,300,222.80 and 227,117.70 is: 340,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,815.20 : 1,300,222.80 = 227,117.70 : x
  2. Step 2: Convert to fraction form
    866,815.20/1,300,222.80 = 227,117.70/x
  3. Step 3: Cross multiply
    866,815.20x = 1,300,222.80 × 227,117.70
  4. Step 4: Simplify right side
    866,815.20x = 295,303,611,823.56
  5. Step 5: Solve for x
    x = 295,303,611,823.56/866,815.20
  6. Step 6: Final answer
    x = 340,676.55

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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.