Home / 451,579.20-623,207.25-250,375.20

Finding the Fourth Proportional to 451,579.20, 623,207.25 and 250,375.20

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Solution

The fourth proportional to 451,579.20, 623,207.25 and 250,375.20 is: 345,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,579.20 : 623,207.25 = 250,375.20 : x
  2. Step 2: Convert to fraction form
    451,579.20/623,207.25 = 250,375.20/x
  3. Step 3: Cross multiply
    451,579.20x = 623,207.25 × 250,375.20
  4. Step 4: Simplify right side
    451,579.20x = 156,035,639,860.20
  5. Step 5: Solve for x
    x = 156,035,639,860.20/451,579.20
  6. Step 6: Final answer
    x = 345,533.27

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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.