Home / 1,177,723.20-1,765,619.32-419,132.68

Finding the Fourth Proportional to 1,177,723.20, 1,765,619.32 and 419,132.68

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Solution

The fourth proportional to 1,177,723.20, 1,765,619.32 and 419,132.68 is: 628,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,723.20 : 1,765,619.32 = 419,132.68 : x
  2. Step 2: Convert to fraction form
    1,177,723.20/1,765,619.32 = 419,132.68/x
  3. Step 3: Cross multiply
    1,177,723.20x = 1,765,619.32 × 419,132.68
  4. Step 4: Simplify right side
    1,177,723.20x = 740,028,757,451.38
  5. Step 5: Solve for x
    x = 740,028,757,451.38/1,177,723.20
  6. Step 6: Final answer
    x = 628,355.42

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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.