Home / 407,261.48-562,012.25-225,969.50

Finding the Fourth Proportional to 407,261.48, 562,012.25 and 225,969.50

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Solution

The fourth proportional to 407,261.48, 562,012.25 and 225,969.50 is: 311,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,261.48 : 562,012.25 = 225,969.50 : x
  2. Step 2: Convert to fraction form
    407,261.48/562,012.25 = 225,969.50/x
  3. Step 3: Cross multiply
    407,261.48x = 562,012.25 × 225,969.50
  4. Step 4: Simplify right side
    407,261.48x = 126,997,623,186.47
  5. Step 5: Solve for x
    x = 126,997,623,186.47/407,261.48
  6. Step 6: Final answer
    x = 311,833.14

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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.