Home / 618,897.24-928,358.82-198,171.90

Finding the Fourth Proportional to 618,897.24, 928,358.82 and 198,171.90

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Solution

The fourth proportional to 618,897.24, 928,358.82 and 198,171.90 is: 297,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,897.24 : 928,358.82 = 198,171.90 : x
  2. Step 2: Convert to fraction form
    618,897.24/928,358.82 = 198,171.90/x
  3. Step 3: Cross multiply
    618,897.24x = 928,358.82 × 198,171.90
  4. Step 4: Simplify right side
    618,897.24x = 183,974,631,241.16
  5. Step 5: Solve for x
    x = 183,974,631,241.16/618,897.24
  6. Step 6: Final answer
    x = 297,262.00

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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.