Home / 412,008.93-618,243.03-222,465.29

Finding the Fourth Proportional to 412,008.93, 618,243.03 and 222,465.29

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Solution

The fourth proportional to 412,008.93, 618,243.03 and 222,465.29 is: 333,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,008.93 : 618,243.03 = 222,465.29 : x
  2. Step 2: Convert to fraction form
    412,008.93/618,243.03 = 222,465.29/x
  3. Step 3: Cross multiply
    412,008.93x = 618,243.03 × 222,465.29
  4. Step 4: Simplify right side
    412,008.93x = 137,537,611,868.21
  5. Step 5: Solve for x
    x = 137,537,611,868.21/412,008.93
  6. Step 6: Final answer
    x = 333,821.92

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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.