Home / 835,782.30-1,253,600.55-274,816.80

Finding the Fourth Proportional to 835,782.30, 1,253,600.55 and 274,816.80

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Solution

The fourth proportional to 835,782.30, 1,253,600.55 and 274,816.80 is: 412,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,782.30 : 1,253,600.55 = 274,816.80 : x
  2. Step 2: Convert to fraction form
    835,782.30/1,253,600.55 = 274,816.80/x
  3. Step 3: Cross multiply
    835,782.30x = 1,253,600.55 × 274,816.80
  4. Step 4: Simplify right side
    835,782.30x = 344,510,491,629.24
  5. Step 5: Solve for x
    x = 344,510,491,629.24/835,782.30
  6. Step 6: Final answer
    x = 412,201.23

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Double scale
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1.5x scale

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.