Home / 1,216,812-1,679,158.26-700,548.78

Finding the Fourth Proportional to 1,216,812, 1,679,158.26 and 700,548.78

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Solution

The fourth proportional to 1,216,812, 1,679,158.26 and 700,548.78 is: 966,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,812 : 1,679,158.26 = 700,548.78 : x
  2. Step 2: Convert to fraction form
    1,216,812/1,679,158.26 = 700,548.78/x
  3. Step 3: Cross multiply
    1,216,812x = 1,679,158.26 × 700,548.78
  4. Step 4: Simplify right side
    1,216,812x = 1,176,332,270,469.92
  5. Step 5: Solve for x
    x = 1,176,332,270,469.92/1,216,812
  6. Step 6: Final answer
    x = 966,732.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.