Home / 603,905.65-833,392.49-331,991.06

Finding the Fourth Proportional to 603,905.65, 833,392.49 and 331,991.06

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Solution

The fourth proportional to 603,905.65, 833,392.49 and 331,991.06 is: 458,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,905.65 : 833,392.49 = 331,991.06 : x
  2. Step 2: Convert to fraction form
    603,905.65/833,392.49 = 331,991.06/x
  3. Step 3: Cross multiply
    603,905.65x = 833,392.49 × 331,991.06
  4. Step 4: Simplify right side
    603,905.65x = 276,678,856,151.14
  5. Step 5: Solve for x
    x = 276,678,856,151.14/603,905.65
  6. Step 6: Final answer
    x = 458,149.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.