Home / 405,947.80-560,199.04-222,185.43

Finding the Fourth Proportional to 405,947.80, 560,199.04 and 222,185.43

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Solution

The fourth proportional to 405,947.80, 560,199.04 and 222,185.43 is: 306,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,947.80 : 560,199.04 = 222,185.43 : x
  2. Step 2: Convert to fraction form
    405,947.80/560,199.04 = 222,185.43/x
  3. Step 3: Cross multiply
    405,947.80x = 560,199.04 × 222,185.43
  4. Step 4: Simplify right side
    405,947.80x = 124,468,064,032.52
  5. Step 5: Solve for x
    x = 124,468,064,032.52/405,947.80
  6. Step 6: Final answer
    x = 306,611.01

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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.