Home / 629,447.10-944,449.70-329,856.45

Finding the Fourth Proportional to 629,447.10, 944,449.70 and 329,856.45

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Solution

The fourth proportional to 629,447.10, 944,449.70 and 329,856.45 is: 494,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,447.10 : 944,449.70 = 329,856.45 : x
  2. Step 2: Convert to fraction form
    629,447.10/944,449.70 = 329,856.45/x
  3. Step 3: Cross multiply
    629,447.10x = 944,449.70 × 329,856.45
  4. Step 4: Simplify right side
    629,447.10x = 311,532,823,596.28
  5. Step 5: Solve for x
    x = 311,532,823,596.28/629,447.10
  6. Step 6: Final answer
    x = 494,930.91

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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.