Home / 484,610.40-726,829.20-306,799.20

Finding the Fourth Proportional to 484,610.40, 726,829.20 and 306,799.20

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Solution

The fourth proportional to 484,610.40, 726,829.20 and 306,799.20 is: 460,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,610.40 : 726,829.20 = 306,799.20 : x
  2. Step 2: Convert to fraction form
    484,610.40/726,829.20 = 306,799.20/x
  3. Step 3: Cross multiply
    484,610.40x = 726,829.20 × 306,799.20
  4. Step 4: Simplify right side
    484,610.40x = 222,990,617,096.64
  5. Step 5: Solve for x
    x = 222,990,617,096.64/484,610.40
  6. Step 6: Final answer
    x = 460,144.10

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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.