Home / 329,723.70-494,585.55-276,579.60

Finding the Fourth Proportional to 329,723.70, 494,585.55 and 276,579.60

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Solution

The fourth proportional to 329,723.70, 494,585.55 and 276,579.60 is: 414,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,723.70 : 494,585.55 = 276,579.60 : x
  2. Step 2: Convert to fraction form
    329,723.70/494,585.55 = 276,579.60/x
  3. Step 3: Cross multiply
    329,723.70x = 494,585.55 × 276,579.60
  4. Step 4: Simplify right side
    329,723.70x = 136,792,273,584.78
  5. Step 5: Solve for x
    x = 136,792,273,584.78/329,723.70
  6. Step 6: Final answer
    x = 414,869.40

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Similar ratio
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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.