Home / 629,474.36-944,490.68-329,883.72

Finding the Fourth Proportional to 629,474.36, 944,490.68 and 329,883.72

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Solution

The fourth proportional to 629,474.36, 944,490.68 and 329,883.72 is: 494,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,474.36 : 944,490.68 = 329,883.72 : x
  2. Step 2: Convert to fraction form
    629,474.36/944,490.68 = 329,883.72/x
  3. Step 3: Cross multiply
    629,474.36x = 944,490.68 × 329,883.72
  4. Step 4: Simplify right side
    629,474.36x = 311,572,099,023.73
  5. Step 5: Solve for x
    x = 311,572,099,023.73/629,474.36
  6. Step 6: Final answer
    x = 494,971.87

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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.