Home / 467,856.21-645,627-263,904.15

Finding the Fourth Proportional to 467,856.21, 645,627 and 263,904.15

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Solution

The fourth proportional to 467,856.21, 645,627 and 263,904.15 is: 364,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,856.21 : 645,627 = 263,904.15 : x
  2. Step 2: Convert to fraction form
    467,856.21/645,627 = 263,904.15/x
  3. Step 3: Cross multiply
    467,856.21x = 645,627 × 263,904.15
  4. Step 4: Simplify right side
    467,856.21x = 170,383,644,652.05
  5. Step 5: Solve for x
    x = 170,383,644,652.05/467,856.21
  6. Step 6: Final answer
    x = 364,179.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.