Home / 737,836.20-1,107,272.70-317,413.80

Finding the Fourth Proportional to 737,836.20, 1,107,272.70 and 317,413.80

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Solution

The fourth proportional to 737,836.20, 1,107,272.70 and 317,413.80 is: 476,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,836.20 : 1,107,272.70 = 317,413.80 : x
  2. Step 2: Convert to fraction form
    737,836.20/1,107,272.70 = 317,413.80/x
  3. Step 3: Cross multiply
    737,836.20x = 1,107,272.70 × 317,413.80
  4. Step 4: Simplify right side
    737,836.20x = 351,463,635,343.26
  5. Step 5: Solve for x
    x = 351,463,635,343.26/737,836.20
  6. Step 6: Final answer
    x = 476,343.71

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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.