Home / 439,084.16-605,906.24-248,105.60

Finding the Fourth Proportional to 439,084.16, 605,906.24 and 248,105.60

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Solution

The fourth proportional to 439,084.16, 605,906.24 and 248,105.60 is: 342,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,084.16 : 605,906.24 = 248,105.60 : x
  2. Step 2: Convert to fraction form
    439,084.16/605,906.24 = 248,105.60/x
  3. Step 3: Cross multiply
    439,084.16x = 605,906.24 × 248,105.60
  4. Step 4: Simplify right side
    439,084.16x = 150,328,731,218.94
  5. Step 5: Solve for x
    x = 150,328,731,218.94/439,084.16
  6. Step 6: Final answer
    x = 342,368.83

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1.5x scale

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.