Home / 454,633.43-681,064.40-276,699.11

Finding the Fourth Proportional to 454,633.43, 681,064.40 and 276,699.11

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Solution

The fourth proportional to 454,633.43, 681,064.40 and 276,699.11 is: 414,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,633.43 : 681,064.40 = 276,699.11 : x
  2. Step 2: Convert to fraction form
    454,633.43/681,064.40 = 276,699.11/x
  3. Step 3: Cross multiply
    454,633.43x = 681,064.40 × 276,699.11
  4. Step 4: Simplify right side
    454,633.43x = 188,449,910,619.11
  5. Step 5: Solve for x
    x = 188,449,910,619.11/454,633.43
  6. Step 6: Final answer
    x = 414,509.58

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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.