Home / 483,286.96-666,917.43-268,440.71

Finding the Fourth Proportional to 483,286.96, 666,917.43 and 268,440.71

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Solution

The fourth proportional to 483,286.96, 666,917.43 and 268,440.71 is: 370,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,286.96 : 666,917.43 = 268,440.71 : x
  2. Step 2: Convert to fraction form
    483,286.96/666,917.43 = 268,440.71/x
  3. Step 3: Cross multiply
    483,286.96x = 666,917.43 × 268,440.71
  4. Step 4: Simplify right side
    483,286.96x = 179,027,788,420.58
  5. Step 5: Solve for x
    x = 179,027,788,420.58/483,286.96
  6. Step 6: Final answer
    x = 370,437.86

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1.5x scale

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.