Home / 325,464.06-449,117.78-218,016.74

Finding the Fourth Proportional to 325,464.06, 449,117.78 and 218,016.74

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Solution

The fourth proportional to 325,464.06, 449,117.78 and 218,016.74 is: 300,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,464.06 : 449,117.78 = 218,016.74 : x
  2. Step 2: Convert to fraction form
    325,464.06/449,117.78 = 218,016.74/x
  3. Step 3: Cross multiply
    325,464.06x = 449,117.78 × 218,016.74
  4. Step 4: Simplify right side
    325,464.06x = 97,915,194,271.64
  5. Step 5: Solve for x
    x = 97,915,194,271.64/325,464.06
  6. Step 6: Final answer
    x = 300,847.95

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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.