Home / 454,633.93-681,065.15-276,699.61

Finding the Fourth Proportional to 454,633.93, 681,065.15 and 276,699.61

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Solution

The fourth proportional to 454,633.93, 681,065.15 and 276,699.61 is: 414,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,633.93 : 681,065.15 = 276,699.61 : x
  2. Step 2: Convert to fraction form
    454,633.93/681,065.15 = 276,699.61/x
  3. Step 3: Cross multiply
    454,633.93x = 681,065.15 × 276,699.61
  4. Step 4: Simplify right side
    454,633.93x = 188,450,457,984.27
  5. Step 5: Solve for x
    x = 188,450,457,984.27/454,633.93
  6. Step 6: Final answer
    x = 414,510.33

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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.