Home / 669,531.54-1,004,186.46-220,258.02

Finding the Fourth Proportional to 669,531.54, 1,004,186.46 and 220,258.02

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Solution

The fourth proportional to 669,531.54, 1,004,186.46 and 220,258.02 is: 330,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,531.54 : 1,004,186.46 = 220,258.02 : x
  2. Step 2: Convert to fraction form
    669,531.54/1,004,186.46 = 220,258.02/x
  3. Step 3: Cross multiply
    669,531.54x = 1,004,186.46 × 220,258.02
  4. Step 4: Simplify right side
    669,531.54x = 221,180,121,390.41
  5. Step 5: Solve for x
    x = 221,180,121,390.41/669,531.54
  6. Step 6: Final answer
    x = 330,350.56

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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.