Home / 396,814.28-594,715.26-185,987.72

Finding the Fourth Proportional to 396,814.28, 594,715.26 and 185,987.72

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Solution

The fourth proportional to 396,814.28, 594,715.26 and 185,987.72 is: 278,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,814.28 : 594,715.26 = 185,987.72 : x
  2. Step 2: Convert to fraction form
    396,814.28/594,715.26 = 185,987.72/x
  3. Step 3: Cross multiply
    396,814.28x = 594,715.26 × 185,987.72
  4. Step 4: Simplify right side
    396,814.28x = 110,609,735,256.61
  5. Step 5: Solve for x
    x = 110,609,735,256.61/396,814.28
  6. Step 6: Final answer
    x = 278,744.34

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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.