Home / 405,952.38-608,986.89-125,491.50

Finding the Fourth Proportional to 405,952.38, 608,986.89 and 125,491.50

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Solution

The fourth proportional to 405,952.38, 608,986.89 and 125,491.50 is: 188,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,952.38 : 608,986.89 = 125,491.50 : x
  2. Step 2: Convert to fraction form
    405,952.38/608,986.89 = 125,491.50/x
  3. Step 3: Cross multiply
    405,952.38x = 608,986.89 × 125,491.50
  4. Step 4: Simplify right side
    405,952.38x = 76,422,678,306.44
  5. Step 5: Solve for x
    x = 76,422,678,306.44/405,952.38
  6. Step 6: Final answer
    x = 188,255.28

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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.