Home / 351,108.24-484,863.96-331,980.72

Finding the Fourth Proportional to 351,108.24, 484,863.96 and 331,980.72

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Solution

The fourth proportional to 351,108.24, 484,863.96 and 331,980.72 is: 458,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,108.24 : 484,863.96 = 331,980.72 : x
  2. Step 2: Convert to fraction form
    351,108.24/484,863.96 = 331,980.72/x
  3. Step 3: Cross multiply
    351,108.24x = 484,863.96 × 331,980.72
  4. Step 4: Simplify right side
    351,108.24x = 160,965,486,542.85
  5. Step 5: Solve for x
    x = 160,965,486,542.85/351,108.24
  6. Step 6: Final answer
    x = 458,449.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.