Home / 403,846.20-605,769.30-325,114.20

Finding the Fourth Proportional to 403,846.20, 605,769.30 and 325,114.20

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Solution

The fourth proportional to 403,846.20, 605,769.30 and 325,114.20 is: 487,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,846.20 : 605,769.30 = 325,114.20 : x
  2. Step 2: Convert to fraction form
    403,846.20/605,769.30 = 325,114.20/x
  3. Step 3: Cross multiply
    403,846.20x = 605,769.30 × 325,114.20
  4. Step 4: Simplify right side
    403,846.20x = 196,944,201,354.06
  5. Step 5: Solve for x
    x = 196,944,201,354.06/403,846.20
  6. Step 6: Final answer
    x = 487,671.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.