Home / 4,786,520.20-7,179,780.30-1,192,258.60

Finding the Fourth Proportional to 4,786,520.20, 7,179,780.30 and 1,192,258.60

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Solution

The fourth proportional to 4,786,520.20, 7,179,780.30 and 1,192,258.60 is: 1,788,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786,520.20 : 7,179,780.30 = 1,192,258.60 : x
  2. Step 2: Convert to fraction form
    4,786,520.20/7,179,780.30 = 1,192,258.60/x
  3. Step 3: Cross multiply
    4,786,520.20x = 7,179,780.30 × 1,192,258.60
  4. Step 4: Simplify right side
    4,786,520.20x = 8,560,154,808,785.58
  5. Step 5: Solve for x
    x = 8,560,154,808,785.58/4,786,520.20
  6. Step 6: Final answer
    x = 1,788,387.90

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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.