Home / 382,359.10-527,653.82-212,583.10

Finding the Fourth Proportional to 382,359.10, 527,653.82 and 212,583.10

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Solution

The fourth proportional to 382,359.10, 527,653.82 and 212,583.10 is: 293,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,359.10 : 527,653.82 = 212,583.10 : x
  2. Step 2: Convert to fraction form
    382,359.10/527,653.82 = 212,583.10/x
  3. Step 3: Cross multiply
    382,359.10x = 527,653.82 × 212,583.10
  4. Step 4: Simplify right side
    382,359.10x = 112,170,284,782.44
  5. Step 5: Solve for x
    x = 112,170,284,782.44/382,359.10
  6. Step 6: Final answer
    x = 293,363.71

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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.