Home / 722,657.80-1,083,548.94-323,224.12

Finding the Fourth Proportional to 722,657.80, 1,083,548.94 and 323,224.12

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Solution

The fourth proportional to 722,657.80, 1,083,548.94 and 323,224.12 is: 484,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,657.80 : 1,083,548.94 = 323,224.12 : x
  2. Step 2: Convert to fraction form
    722,657.80/1,083,548.94 = 323,224.12/x
  3. Step 3: Cross multiply
    722,657.80x = 1,083,548.94 × 323,224.12
  4. Step 4: Simplify right side
    722,657.80x = 350,229,152,608.43
  5. Step 5: Solve for x
    x = 350,229,152,608.43/722,657.80
  6. Step 6: Final answer
    x = 484,640.38

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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.