Home / 455,334.68-682,789.26-265,849.76

Finding the Fourth Proportional to 455,334.68, 682,789.26 and 265,849.76

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Solution

The fourth proportional to 455,334.68, 682,789.26 and 265,849.76 is: 398,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,334.68 : 682,789.26 = 265,849.76 : x
  2. Step 2: Convert to fraction form
    455,334.68/682,789.26 = 265,849.76/x
  3. Step 3: Cross multiply
    455,334.68x = 682,789.26 × 265,849.76
  4. Step 4: Simplify right side
    455,334.68x = 181,519,360,901.58
  5. Step 5: Solve for x
    x = 181,519,360,901.58/455,334.68
  6. Step 6: Final answer
    x = 398,650.42

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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.