Home / 454,514.88-681,898.41-198,369.81

Finding the Fourth Proportional to 454,514.88, 681,898.41 and 198,369.81

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Solution

The fourth proportional to 454,514.88, 681,898.41 and 198,369.81 is: 297,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,514.88 : 681,898.41 = 198,369.81 : x
  2. Step 2: Convert to fraction form
    454,514.88/681,898.41 = 198,369.81/x
  3. Step 3: Cross multiply
    454,514.88x = 681,898.41 × 198,369.81
  4. Step 4: Simplify right side
    454,514.88x = 135,268,058,031.00
  5. Step 5: Solve for x
    x = 135,268,058,031.00/454,514.88
  6. Step 6: Final answer
    x = 297,609.75

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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.