Home / 412,127.06-618,420.22-222,583.41

Finding the Fourth Proportional to 412,127.06, 618,420.22 and 222,583.41

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Solution

The fourth proportional to 412,127.06, 618,420.22 and 222,583.41 is: 333,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,127.06 : 618,420.22 = 222,583.41 : x
  2. Step 2: Convert to fraction form
    412,127.06/618,420.22 = 222,583.41/x
  3. Step 3: Cross multiply
    412,127.06x = 618,420.22 × 222,583.41
  4. Step 4: Simplify right side
    412,127.06x = 137,650,080,824.09
  5. Step 5: Solve for x
    x = 137,650,080,824.09/412,127.06
  6. Step 6: Final answer
    x = 333,999.14

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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.