Home / 445,826.08-615,241.68-254,845.60

Finding the Fourth Proportional to 445,826.08, 615,241.68 and 254,845.60

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Solution

The fourth proportional to 445,826.08, 615,241.68 and 254,845.60 is: 351,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,826.08 : 615,241.68 = 254,845.60 : x
  2. Step 2: Convert to fraction form
    445,826.08/615,241.68 = 254,845.60/x
  3. Step 3: Cross multiply
    445,826.08x = 615,241.68 × 254,845.60
  4. Step 4: Simplify right side
    445,826.08x = 156,791,635,084.61
  5. Step 5: Solve for x
    x = 156,791,635,084.61/445,826.08
  6. Step 6: Final answer
    x = 351,687.89

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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.