Home / 407,285.44-562,057-225,998.08

Finding the Fourth Proportional to 407,285.44, 562,057 and 225,998.08

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Solution

The fourth proportional to 407,285.44, 562,057 and 225,998.08 is: 311,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,285.44 : 562,057 = 225,998.08 : x
  2. Step 2: Convert to fraction form
    407,285.44/562,057 = 225,998.08/x
  3. Step 3: Cross multiply
    407,285.44x = 562,057 × 225,998.08
  4. Step 4: Simplify right side
    407,285.44x = 127,023,802,850.56
  5. Step 5: Solve for x
    x = 127,023,802,850.56/407,285.44
  6. Step 6: Final answer
    x = 311,879.07

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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.