Home / 484,522.54-667,948.20-340,836.64

Finding the Fourth Proportional to 484,522.54, 667,948.20 and 340,836.64

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Solution

The fourth proportional to 484,522.54, 667,948.20 and 340,836.64 is: 469,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,522.54 : 667,948.20 = 340,836.64 : x
  2. Step 2: Convert to fraction form
    484,522.54/667,948.20 = 340,836.64/x
  3. Step 3: Cross multiply
    484,522.54x = 667,948.20 × 340,836.64
  4. Step 4: Simplify right side
    484,522.54x = 227,661,220,182.05
  5. Step 5: Solve for x
    x = 227,661,220,182.05/484,522.54
  6. Step 6: Final answer
    x = 469,867.14

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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.