Home / 407,845.92-562,917.32-226,620.12

Finding the Fourth Proportional to 407,845.92, 562,917.32 and 226,620.12

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Solution

The fourth proportional to 407,845.92, 562,917.32 and 226,620.12 is: 312,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,845.92 : 562,917.32 = 226,620.12 : x
  2. Step 2: Convert to fraction form
    407,845.92/562,917.32 = 226,620.12/x
  3. Step 3: Cross multiply
    407,845.92x = 562,917.32 × 226,620.12
  4. Step 4: Simplify right side
    407,845.92x = 127,568,390,608.48
  5. Step 5: Solve for x
    x = 127,568,390,608.48/407,845.92
  6. Step 6: Final answer
    x = 312,785.75

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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.