Home / 405,918.24-608,864.76-192,839.49

Finding the Fourth Proportional to 405,918.24, 608,864.76 and 192,839.49

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Solution

The fourth proportional to 405,918.24, 608,864.76 and 192,839.49 is: 289,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,918.24 : 608,864.76 = 192,839.49 : x
  2. Step 2: Convert to fraction form
    405,918.24/608,864.76 = 192,839.49/x
  3. Step 3: Cross multiply
    405,918.24x = 608,864.76 × 192,839.49
  4. Step 4: Simplify right side
    405,918.24x = 117,413,169,797.37
  5. Step 5: Solve for x
    x = 117,413,169,797.37/405,918.24
  6. Step 6: Final answer
    x = 289,253.25

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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.