Home / 407,887.18-562,974.34-226,661.42

Finding the Fourth Proportional to 407,887.18, 562,974.34 and 226,661.42

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Solution

The fourth proportional to 407,887.18, 562,974.34 and 226,661.42 is: 312,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,887.18 : 562,974.34 = 226,661.42 : x
  2. Step 2: Convert to fraction form
    407,887.18/562,974.34 = 226,661.42/x
  3. Step 3: Cross multiply
    407,887.18x = 562,974.34 × 226,661.42
  4. Step 4: Simplify right side
    407,887.18x = 127,604,563,327.96
  5. Step 5: Solve for x
    x = 127,604,563,327.96/407,887.18
  6. Step 6: Final answer
    x = 312,842.79

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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.