Home / 541,031.26-811,019.48-225,578.38

Finding the Fourth Proportional to 541,031.26, 811,019.48 and 225,578.38

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Solution

The fourth proportional to 541,031.26, 811,019.48 and 225,578.38 is: 338,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,031.26 : 811,019.48 = 225,578.38 : x
  2. Step 2: Convert to fraction form
    541,031.26/811,019.48 = 225,578.38/x
  3. Step 3: Cross multiply
    541,031.26x = 811,019.48 × 225,578.38
  4. Step 4: Simplify right side
    541,031.26x = 182,948,460,446.84
  5. Step 5: Solve for x
    x = 182,948,460,446.84/541,031.26
  6. Step 6: Final answer
    x = 338,147.67

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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.