Home / 603,786.38-905,624.04-204,381.50

Finding the Fourth Proportional to 603,786.38, 905,624.04 and 204,381.50

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Solution

The fourth proportional to 603,786.38, 905,624.04 and 204,381.50 is: 306,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,786.38 : 905,624.04 = 204,381.50 : x
  2. Step 2: Convert to fraction form
    603,786.38/905,624.04 = 204,381.50/x
  3. Step 3: Cross multiply
    603,786.38x = 905,624.04 × 204,381.50
  4. Step 4: Simplify right side
    603,786.38x = 185,092,799,731.26
  5. Step 5: Solve for x
    x = 185,092,799,731.26/603,786.38
  6. Step 6: Final answer
    x = 306,553.45

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1.5x scale

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.