Home / 407,902.77-562,905.32-226,631.43

Finding the Fourth Proportional to 407,902.77, 562,905.32 and 226,631.43

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Solution

The fourth proportional to 407,902.77, 562,905.32 and 226,631.43 is: 312,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,902.77 : 562,905.32 = 226,631.43 : x
  2. Step 2: Convert to fraction form
    407,902.77/562,905.32 = 226,631.43/x
  3. Step 3: Cross multiply
    407,902.77x = 562,905.32 × 226,631.43
  4. Step 4: Simplify right side
    407,902.77x = 127,572,036,493.05
  5. Step 5: Solve for x
    x = 127,572,036,493.05/407,902.77
  6. Step 6: Final answer
    x = 312,751.09

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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.