Home / 492,939.96-680,255.10-266,584.92

Finding the Fourth Proportional to 492,939.96, 680,255.10 and 266,584.92

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Solution

The fourth proportional to 492,939.96, 680,255.10 and 266,584.92 is: 367,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,939.96 : 680,255.10 = 266,584.92 : x
  2. Step 2: Convert to fraction form
    492,939.96/680,255.10 = 266,584.92/x
  3. Step 3: Cross multiply
    492,939.96x = 680,255.10 × 266,584.92
  4. Step 4: Simplify right side
    492,939.96x = 181,345,751,413.09
  5. Step 5: Solve for x
    x = 181,345,751,413.09/492,939.96
  6. Step 6: Final answer
    x = 367,886.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.