Home / 484,440.40-726,574.20-306,629.20

Finding the Fourth Proportional to 484,440.40, 726,574.20 and 306,629.20

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Solution

The fourth proportional to 484,440.40, 726,574.20 and 306,629.20 is: 459,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,440.40 : 726,574.20 = 306,629.20 : x
  2. Step 2: Convert to fraction form
    484,440.40/726,574.20 = 306,629.20/x
  3. Step 3: Cross multiply
    484,440.40x = 726,574.20 × 306,629.20
  4. Step 4: Simplify right side
    484,440.40x = 222,788,865,686.64
  5. Step 5: Solve for x
    x = 222,788,865,686.64/484,440.40
  6. Step 6: Final answer
    x = 459,889.11

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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.