Home / 464,821.40-697,296.90-198,579.80

Finding the Fourth Proportional to 464,821.40, 697,296.90 and 198,579.80

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Solution

The fourth proportional to 464,821.40, 697,296.90 and 198,579.80 is: 297,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,821.40 : 697,296.90 = 198,579.80 : x
  2. Step 2: Convert to fraction form
    464,821.40/697,296.90 = 198,579.80/x
  3. Step 3: Cross multiply
    464,821.40x = 697,296.90 × 198,579.80
  4. Step 4: Simplify right side
    464,821.40x = 138,469,078,942.62
  5. Step 5: Solve for x
    x = 138,469,078,942.62/464,821.40
  6. Step 6: Final answer
    x = 297,897.38

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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.