Home / 1,263,183.68-1,894,790.55-352,310.78

Finding the Fourth Proportional to 1,263,183.68, 1,894,790.55 and 352,310.78

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Solution

The fourth proportional to 1,263,183.68, 1,894,790.55 and 352,310.78 is: 528,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,183.68 : 1,894,790.55 = 352,310.78 : x
  2. Step 2: Convert to fraction form
    1,263,183.68/1,894,790.55 = 352,310.78/x
  3. Step 3: Cross multiply
    1,263,183.68x = 1,894,790.55 × 352,310.78
  4. Step 4: Simplify right side
    1,263,183.68x = 667,555,136,607.13
  5. Step 5: Solve for x
    x = 667,555,136,607.13/1,263,183.68
  6. Step 6: Final answer
    x = 528,470.36

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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.