Home / 455,221.36-682,919.92-174,716.74

Finding the Fourth Proportional to 455,221.36, 682,919.92 and 174,716.74

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Solution

The fourth proportional to 455,221.36, 682,919.92 and 174,716.74 is: 262,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,221.36 : 682,919.92 = 174,716.74 : x
  2. Step 2: Convert to fraction form
    455,221.36/682,919.92 = 174,716.74/x
  3. Step 3: Cross multiply
    455,221.36x = 682,919.92 × 174,716.74
  4. Step 4: Simplify right side
    455,221.36x = 119,317,538,688.86
  5. Step 5: Solve for x
    x = 119,317,538,688.86/455,221.36
  6. Step 6: Final answer
    x = 262,108.83

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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.