Home / 445,965.44-615,432.52-254,982.56

Finding the Fourth Proportional to 445,965.44, 615,432.52 and 254,982.56

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Solution

The fourth proportional to 445,965.44, 615,432.52 and 254,982.56 is: 351,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,965.44 : 615,432.52 = 254,982.56 : x
  2. Step 2: Convert to fraction form
    445,965.44/615,432.52 = 254,982.56/x
  3. Step 3: Cross multiply
    445,965.44x = 615,432.52 × 254,982.56
  4. Step 4: Simplify right side
    445,965.44x = 156,924,559,456.85
  5. Step 5: Solve for x
    x = 156,924,559,456.85/445,965.44
  6. Step 6: Final answer
    x = 351,876.05

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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.