Home / 396,381.09-594,662.46-171,779.23

Finding the Fourth Proportional to 396,381.09, 594,662.46 and 171,779.23

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Solution

The fourth proportional to 396,381.09, 594,662.46 and 171,779.23 is: 257,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,381.09 : 594,662.46 = 171,779.23 : x
  2. Step 2: Convert to fraction form
    396,381.09/594,662.46 = 171,779.23/x
  3. Step 3: Cross multiply
    396,381.09x = 594,662.46 × 171,779.23
  4. Step 4: Simplify right side
    396,381.09x = 102,150,659,488.71
  5. Step 5: Solve for x
    x = 102,150,659,488.71/396,381.09
  6. Step 6: Final answer
    x = 257,708.21

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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.