Home / 424,280.00-635,999.61-199,237.59

Finding the Fourth Proportional to 424,280.00, 635,999.61 and 199,237.59

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Solution

The fourth proportional to 424,280.00, 635,999.61 and 199,237.59 is: 298,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,280.00 : 635,999.61 = 199,237.59 : x
  2. Step 2: Convert to fraction form
    424,280.00/635,999.61 = 199,237.59/x
  3. Step 3: Cross multiply
    424,280.00x = 635,999.61 × 199,237.59
  4. Step 4: Simplify right side
    424,280.00x = 126,715,028,790.20
  5. Step 5: Solve for x
    x = 126,715,028,790.20/424,280.00
  6. Step 6: Final answer
    x = 298,658.97

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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.