Home / 407,381.78-562,193.01-226,105.44

Finding the Fourth Proportional to 407,381.78, 562,193.01 and 226,105.44

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Solution

The fourth proportional to 407,381.78, 562,193.01 and 226,105.44 is: 312,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,381.78 : 562,193.01 = 226,105.44 : x
  2. Step 2: Convert to fraction form
    407,381.78/562,193.01 = 226,105.44/x
  3. Step 3: Cross multiply
    407,381.78x = 562,193.01 × 226,105.44
  4. Step 4: Simplify right side
    407,381.78x = 127,114,897,890.97
  5. Step 5: Solve for x
    x = 127,114,897,890.97/407,381.78
  6. Step 6: Final answer
    x = 312,028.93

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1.5x scale

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.