Home / 541,105.28-811,580.16-225,503.36

Finding the Fourth Proportional to 541,105.28, 811,580.16 and 225,503.36

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Solution

The fourth proportional to 541,105.28, 811,580.16 and 225,503.36 is: 338,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,105.28 : 811,580.16 = 225,503.36 : x
  2. Step 2: Convert to fraction form
    541,105.28/811,580.16 = 225,503.36/x
  3. Step 3: Cross multiply
    541,105.28x = 811,580.16 × 225,503.36
  4. Step 4: Simplify right side
    541,105.28x = 183,014,052,989.34
  5. Step 5: Solve for x
    x = 183,014,052,989.34/541,105.28
  6. Step 6: Final answer
    x = 338,222.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.