Home / 603,578.03-905,363.45-154,298.19

Finding the Fourth Proportional to 603,578.03, 905,363.45 and 154,298.19

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Solution

The fourth proportional to 603,578.03, 905,363.45 and 154,298.19 is: 231,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,578.03 : 905,363.45 = 154,298.19 : x
  2. Step 2: Convert to fraction form
    603,578.03/905,363.45 = 154,298.19/x
  3. Step 3: Cross multiply
    603,578.03x = 905,363.45 × 154,298.19
  4. Step 4: Simplify right side
    603,578.03x = 139,695,942,717.03
  5. Step 5: Solve for x
    x = 139,695,942,717.03/603,578.03
  6. Step 6: Final answer
    x = 231,446.37

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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.