Home / 469,622.25-648,078.71-268,422.57

Finding the Fourth Proportional to 469,622.25, 648,078.71 and 268,422.57

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Solution

The fourth proportional to 469,622.25, 648,078.71 and 268,422.57 is: 370,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,622.25 : 648,078.71 = 268,422.57 : x
  2. Step 2: Convert to fraction form
    469,622.25/648,078.71 = 268,422.57/x
  3. Step 3: Cross multiply
    469,622.25x = 648,078.71 × 268,422.57
  4. Step 4: Simplify right side
    469,622.25x = 173,958,951,558.37
  5. Step 5: Solve for x
    x = 173,958,951,558.37/469,622.25
  6. Step 6: Final answer
    x = 370,423.15

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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.