Home / 445,546.24-666,835.04-356,381.44

Finding the Fourth Proportional to 445,546.24, 666,835.04 and 356,381.44

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Solution

The fourth proportional to 445,546.24, 666,835.04 and 356,381.44 is: 533,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,546.24 : 666,835.04 = 356,381.44 : x
  2. Step 2: Convert to fraction form
    445,546.24/666,835.04 = 356,381.44/x
  3. Step 3: Cross multiply
    445,546.24x = 666,835.04 × 356,381.44
  4. Step 4: Simplify right side
    445,546.24x = 237,647,631,797.66
  5. Step 5: Solve for x
    x = 237,647,631,797.66/445,546.24
  6. Step 6: Final answer
    x = 533,384.89

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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.