Home / 784,786.11-1,177,091.68-216,209.85

Finding the Fourth Proportional to 784,786.11, 1,177,091.68 and 216,209.85

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Solution

The fourth proportional to 784,786.11, 1,177,091.68 and 216,209.85 is: 324,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,786.11 : 1,177,091.68 = 216,209.85 : x
  2. Step 2: Convert to fraction form
    784,786.11/1,177,091.68 = 216,209.85/x
  3. Step 3: Cross multiply
    784,786.11x = 1,177,091.68 × 216,209.85
  4. Step 4: Simplify right side
    784,786.11x = 254,498,815,569.05
  5. Step 5: Solve for x
    x = 254,498,815,569.05/784,786.11
  6. Step 6: Final answer
    x = 324,290.67

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Double scale
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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.