Home / 722,627.84-1,083,997.84-217,149.36

Finding the Fourth Proportional to 722,627.84, 1,083,997.84 and 217,149.36

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Solution

The fourth proportional to 722,627.84, 1,083,997.84 and 217,149.36 is: 325,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,627.84 : 1,083,997.84 = 217,149.36 : x
  2. Step 2: Convert to fraction form
    722,627.84/1,083,997.84 = 217,149.36/x
  3. Step 3: Cross multiply
    722,627.84x = 1,083,997.84 × 217,149.36
  4. Step 4: Simplify right side
    722,627.84x = 235,389,437,197.38
  5. Step 5: Solve for x
    x = 235,389,437,197.38/722,627.84
  6. Step 6: Final answer
    x = 325,740.89

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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.