Home / 603,532.82-905,061.50-219,190.81

Finding the Fourth Proportional to 603,532.82, 905,061.50 and 219,190.81

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Solution

The fourth proportional to 603,532.82, 905,061.50 and 219,190.81 is: 328,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,532.82 : 905,061.50 = 219,190.81 : x
  2. Step 2: Convert to fraction form
    603,532.82/905,061.50 = 219,190.81/x
  3. Step 3: Cross multiply
    603,532.82x = 905,061.50 × 219,190.81
  4. Step 4: Simplify right side
    603,532.82x = 198,381,162,445.16
  5. Step 5: Solve for x
    x = 198,381,162,445.16/603,532.82
  6. Step 6: Final answer
    x = 328,699.87

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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.