Home / 722,855.32-1,084,142.78-273,611.26

Finding the Fourth Proportional to 722,855.32, 1,084,142.78 and 273,611.26

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Solution

The fourth proportional to 722,855.32, 1,084,142.78 and 273,611.26 is: 410,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,855.32 : 1,084,142.78 = 273,611.26 : x
  2. Step 2: Convert to fraction form
    722,855.32/1,084,142.78 = 273,611.26/x
  3. Step 3: Cross multiply
    722,855.32x = 1,084,142.78 × 273,611.26
  4. Step 4: Simplify right side
    722,855.32x = 296,633,672,055.70
  5. Step 5: Solve for x
    x = 296,633,672,055.70/722,855.32
  6. Step 6: Final answer
    x = 410,363.82

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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.