Home / 1,412,713.73-2,117,788.97-513,520.37

Finding the Fourth Proportional to 1,412,713.73, 2,117,788.97 and 513,520.37

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Solution

The fourth proportional to 1,412,713.73, 2,117,788.97 and 513,520.37 is: 769,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,713.73 : 2,117,788.97 = 513,520.37 : x
  2. Step 2: Convert to fraction form
    1,412,713.73/2,117,788.97 = 513,520.37/x
  3. Step 3: Cross multiply
    1,412,713.73x = 2,117,788.97 × 513,520.37
  4. Step 4: Simplify right side
    1,412,713.73x = 1,087,527,778,183.19
  5. Step 5: Solve for x
    x = 1,087,527,778,183.19/1,412,713.73
  6. Step 6: Final answer
    x = 769,814.69

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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.