Home / 541,609.29-811,837.65-204,506.43

Finding the Fourth Proportional to 541,609.29, 811,837.65 and 204,506.43

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Solution

The fourth proportional to 541,609.29, 811,837.65 and 204,506.43 is: 306,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,609.29 : 811,837.65 = 204,506.43 : x
  2. Step 2: Convert to fraction form
    541,609.29/811,837.65 = 204,506.43/x
  3. Step 3: Cross multiply
    541,609.29x = 811,837.65 × 204,506.43
  4. Step 4: Simplify right side
    541,609.29x = 166,026,019,541.09
  5. Step 5: Solve for x
    x = 166,026,019,541.09/541,609.29
  6. Step 6: Final answer
    x = 306,542.05

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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.