Home / 629,485.99-944,508.12-329,895.43

Finding the Fourth Proportional to 629,485.99, 944,508.12 and 329,895.43

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Solution

The fourth proportional to 629,485.99, 944,508.12 and 329,895.43 is: 494,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,485.99 : 944,508.12 = 329,895.43 : x
  2. Step 2: Convert to fraction form
    629,485.99/944,508.12 = 329,895.43/x
  3. Step 3: Cross multiply
    629,485.99x = 944,508.12 × 329,895.43
  4. Step 4: Simplify right side
    629,485.99x = 311,588,912,385.89
  5. Step 5: Solve for x
    x = 311,588,912,385.89/629,485.99
  6. Step 6: Final answer
    x = 494,989.43

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Double scale
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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.