Home / 445,966.44-615,433.90-254,983.56

Finding the Fourth Proportional to 445,966.44, 615,433.90 and 254,983.56

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Solution

The fourth proportional to 445,966.44, 615,433.90 and 254,983.56 is: 351,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,966.44 : 615,433.90 = 254,983.56 : x
  2. Step 2: Convert to fraction form
    445,966.44/615,433.90 = 254,983.56/x
  3. Step 3: Cross multiply
    445,966.44x = 615,433.90 × 254,983.56
  4. Step 4: Simplify right side
    445,966.44x = 156,925,526,766.68
  5. Step 5: Solve for x
    x = 156,925,526,766.68/445,966.44
  6. Step 6: Final answer
    x = 351,877.43

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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.