Home / 454,643.55-681,079.59-276,709.23

Finding the Fourth Proportional to 454,643.55, 681,079.59 and 276,709.23

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Solution

The fourth proportional to 454,643.55, 681,079.59 and 276,709.23 is: 414,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,643.55 : 681,079.59 = 276,709.23 : x
  2. Step 2: Convert to fraction form
    454,643.55/681,079.59 = 276,709.23/x
  3. Step 3: Cross multiply
    454,643.55x = 681,079.59 × 276,709.23
  4. Step 4: Simplify right side
    454,643.55x = 188,461,008,917.62
  5. Step 5: Solve for x
    x = 188,461,008,917.62/454,643.55
  6. Step 6: Final answer
    x = 414,524.76

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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.