Home / 1,161,812.60-1,743,338.10-451,863.80

Finding the Fourth Proportional to 1,161,812.60, 1,743,338.10 and 451,863.80

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Solution

The fourth proportional to 1,161,812.60, 1,743,338.10 and 451,863.80 is: 678,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,812.60 : 1,743,338.10 = 451,863.80 : x
  2. Step 2: Convert to fraction form
    1,161,812.60/1,743,338.10 = 451,863.80/x
  3. Step 3: Cross multiply
    1,161,812.60x = 1,743,338.10 × 451,863.80
  4. Step 4: Simplify right side
    1,161,812.60x = 787,751,378,550.78
  5. Step 5: Solve for x
    x = 787,751,378,550.78/1,161,812.60
  6. Step 6: Final answer
    x = 678,036.53

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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.