Home / 589,172.18-813,092.43-443,721.39

Finding the Fourth Proportional to 589,172.18, 813,092.43 and 443,721.39

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Solution

The fourth proportional to 589,172.18, 813,092.43 and 443,721.39 is: 612,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,172.18 : 813,092.43 = 443,721.39 : x
  2. Step 2: Convert to fraction form
    589,172.18/813,092.43 = 443,721.39/x
  3. Step 3: Cross multiply
    589,172.18x = 813,092.43 × 443,721.39
  4. Step 4: Simplify right side
    589,172.18x = 360,786,503,238.08
  5. Step 5: Solve for x
    x = 360,786,503,238.08/589,172.18
  6. Step 6: Final answer
    x = 612,361.75

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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.