Home / 407,222.12-562,034.01-225,992.28

Finding the Fourth Proportional to 407,222.12, 562,034.01 and 225,992.28

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Solution

The fourth proportional to 407,222.12, 562,034.01 and 225,992.28 is: 311,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,222.12 : 562,034.01 = 225,992.28 : x
  2. Step 2: Convert to fraction form
    407,222.12/562,034.01 = 225,992.28/x
  3. Step 3: Cross multiply
    407,222.12x = 562,034.01 × 225,992.28
  4. Step 4: Simplify right side
    407,222.12x = 127,015,347,357.44
  5. Step 5: Solve for x
    x = 127,015,347,357.44/407,222.12
  6. Step 6: Final answer
    x = 311,906.80

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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.