Home / 396,639.24-594,368.01-219,196.92

Finding the Fourth Proportional to 396,639.24, 594,368.01 and 219,196.92

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Solution

The fourth proportional to 396,639.24, 594,368.01 and 219,196.92 is: 328,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,639.24 : 594,368.01 = 219,196.92 : x
  2. Step 2: Convert to fraction form
    396,639.24/594,368.01 = 219,196.92/x
  3. Step 3: Cross multiply
    396,639.24x = 594,368.01 × 219,196.92
  4. Step 4: Simplify right side
    396,639.24x = 130,283,637,138.53
  5. Step 5: Solve for x
    x = 130,283,637,138.53/396,639.24
  6. Step 6: Final answer
    x = 328,468.86

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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.