Home / 1,083,147.72-1,494,759.66-624,009

Finding the Fourth Proportional to 1,083,147.72, 1,494,759.66 and 624,009

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Solution

The fourth proportional to 1,083,147.72, 1,494,759.66 and 624,009 is: 861,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,147.72 : 1,494,759.66 = 624,009 : x
  2. Step 2: Convert to fraction form
    1,083,147.72/1,494,759.66 = 624,009/x
  3. Step 3: Cross multiply
    1,083,147.72x = 1,494,759.66 × 624,009
  4. Step 4: Simplify right side
    1,083,147.72x = 932,743,480,676.94
  5. Step 5: Solve for x
    x = 932,743,480,676.94/1,083,147.72
  6. Step 6: Final answer
    x = 861,141.53

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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.