Home / 457,982.43-686,975.42-191,556.06

Finding the Fourth Proportional to 457,982.43, 686,975.42 and 191,556.06

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Solution

The fourth proportional to 457,982.43, 686,975.42 and 191,556.06 is: 287,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,982.43 : 686,975.42 = 191,556.06 : x
  2. Step 2: Convert to fraction form
    457,982.43/686,975.42 = 191,556.06/x
  3. Step 3: Cross multiply
    457,982.43x = 686,975.42 × 191,556.06
  4. Step 4: Simplify right side
    457,982.43x = 131,594,303,814.27
  5. Step 5: Solve for x
    x = 131,594,303,814.27/457,982.43
  6. Step 6: Final answer
    x = 287,334.83

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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.