Home / 454,634.43-681,065.90-276,700.11

Finding the Fourth Proportional to 454,634.43, 681,065.90 and 276,700.11

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Solution

The fourth proportional to 454,634.43, 681,065.90 and 276,700.11 is: 414,511.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,634.43 : 681,065.90 = 276,700.11 : x
  2. Step 2: Convert to fraction form
    454,634.43/681,065.90 = 276,700.11/x
  3. Step 3: Cross multiply
    454,634.43x = 681,065.90 × 276,700.11
  4. Step 4: Simplify right side
    454,634.43x = 188,451,006,041.92
  5. Step 5: Solve for x
    x = 188,451,006,041.92/454,634.43
  6. Step 6: Final answer
    x = 414,511.08

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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.