Home / 407,109.22-561,743.43-225,792.34

Finding the Fourth Proportional to 407,109.22, 561,743.43 and 225,792.34

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Solution

The fourth proportional to 407,109.22, 561,743.43 and 225,792.34 is: 311,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,109.22 : 561,743.43 = 225,792.34 : x
  2. Step 2: Convert to fraction form
    407,109.22/561,743.43 = 225,792.34/x
  3. Step 3: Cross multiply
    407,109.22x = 561,743.43 × 225,792.34
  4. Step 4: Simplify right side
    407,109.22x = 126,837,363,539.33
  5. Step 5: Solve for x
    x = 126,837,363,539.33/407,109.22
  6. Step 6: Final answer
    x = 311,556.11

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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.