Home / 416,621.20-574,579.56-325,836.40

Finding the Fourth Proportional to 416,621.20, 574,579.56 and 325,836.40

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Solution

The fourth proportional to 416,621.20, 574,579.56 and 325,836.40 is: 449,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,621.20 : 574,579.56 = 325,836.40 : x
  2. Step 2: Convert to fraction form
    416,621.20/574,579.56 = 325,836.40/x
  3. Step 3: Cross multiply
    416,621.20x = 574,579.56 × 325,836.40
  4. Step 4: Simplify right side
    416,621.20x = 187,218,935,343.98
  5. Step 5: Solve for x
    x = 187,218,935,343.98/416,621.20
  6. Step 6: Final answer
    x = 449,374.48

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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.