Home / 454,640.43-681,074.88-276,706.11

Finding the Fourth Proportional to 454,640.43, 681,074.88 and 276,706.11

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Solution

The fourth proportional to 454,640.43, 681,074.88 and 276,706.11 is: 414,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,640.43 : 681,074.88 = 276,706.11 : x
  2. Step 2: Convert to fraction form
    454,640.43/681,074.88 = 276,706.11/x
  3. Step 3: Cross multiply
    454,640.43x = 681,074.88 × 276,706.11
  4. Step 4: Simplify right side
    454,640.43x = 188,457,580,663.52
  5. Step 5: Solve for x
    x = 188,457,580,663.52/454,640.43
  6. Step 6: Final answer
    x = 414,520.07

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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.