Home / 1,478,221.44-2,040,469.92-874,608

Finding the Fourth Proportional to 1,478,221.44, 2,040,469.92 and 874,608

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Solution

The fourth proportional to 1,478,221.44, 2,040,469.92 and 874,608 is: 1,207,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,221.44 : 2,040,469.92 = 874,608 : x
  2. Step 2: Convert to fraction form
    1,478,221.44/2,040,469.92 = 874,608/x
  3. Step 3: Cross multiply
    1,478,221.44x = 2,040,469.92 × 874,608
  4. Step 4: Simplify right side
    1,478,221.44x = 1,784,611,315,791.36
  5. Step 5: Solve for x
    x = 1,784,611,315,791.36/1,478,221.44
  6. Step 6: Final answer
    x = 1,207,269.27

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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.