Home / 396,783.45-594,987.39-153,738.36

Finding the Fourth Proportional to 396,783.45, 594,987.39 and 153,738.36

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Solution

The fourth proportional to 396,783.45, 594,987.39 and 153,738.36 is: 230,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,783.45 : 594,987.39 = 153,738.36 : x
  2. Step 2: Convert to fraction form
    396,783.45/594,987.39 = 153,738.36/x
  3. Step 3: Cross multiply
    396,783.45x = 594,987.39 × 153,738.36
  4. Step 4: Simplify right side
    396,783.45x = 91,472,385,559.28
  5. Step 5: Solve for x
    x = 91,472,385,559.28/396,783.45
  6. Step 6: Final answer
    x = 230,534.78

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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.