Home / 1,324,816.80-1,987,743.60-483,453.60

Finding the Fourth Proportional to 1,324,816.80, 1,987,743.60 and 483,453.60

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Solution

The fourth proportional to 1,324,816.80, 1,987,743.60 and 483,453.60 is: 725,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,816.80 : 1,987,743.60 = 483,453.60 : x
  2. Step 2: Convert to fraction form
    1,324,816.80/1,987,743.60 = 483,453.60/x
  3. Step 3: Cross multiply
    1,324,816.80x = 1,987,743.60 × 483,453.60
  4. Step 4: Simplify right side
    1,324,816.80x = 960,981,799,296.96
  5. Step 5: Solve for x
    x = 960,981,799,296.96/1,324,816.80
  6. Step 6: Final answer
    x = 725,369.58

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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.