Home / 541,218.48-811,899.44-199,615.92

Finding the Fourth Proportional to 541,218.48, 811,899.44 and 199,615.92

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Solution

The fourth proportional to 541,218.48, 811,899.44 and 199,615.92 is: 299,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,218.48 : 811,899.44 = 199,615.92 : x
  2. Step 2: Convert to fraction form
    541,218.48/811,899.44 = 199,615.92/x
  3. Step 3: Cross multiply
    541,218.48x = 811,899.44 × 199,615.92
  4. Step 4: Simplify right side
    541,218.48x = 162,068,053,663.09
  5. Step 5: Solve for x
    x = 162,068,053,663.09/541,218.48
  6. Step 6: Final answer
    x = 299,450.33

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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.