Home / 722,170.29-1,083,167.94-367,438.89

Finding the Fourth Proportional to 722,170.29, 1,083,167.94 and 367,438.89

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Solution

The fourth proportional to 722,170.29, 1,083,167.94 and 367,438.89 is: 551,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,170.29 : 1,083,167.94 = 367,438.89 : x
  2. Step 2: Convert to fraction form
    722,170.29/1,083,167.94 = 367,438.89/x
  3. Step 3: Cross multiply
    722,170.29x = 1,083,167.94 × 367,438.89
  4. Step 4: Simplify right side
    722,170.29x = 397,998,025,557.19
  5. Step 5: Solve for x
    x = 397,998,025,557.19/722,170.29
  6. Step 6: Final answer
    x = 551,113.82

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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.