Home / 484,434.40-726,565.20-306,623.20

Finding the Fourth Proportional to 484,434.40, 726,565.20 and 306,623.20

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Solution

The fourth proportional to 484,434.40, 726,565.20 and 306,623.20 is: 459,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,434.40 : 726,565.20 = 306,623.20 : x
  2. Step 2: Convert to fraction form
    484,434.40/726,565.20 = 306,623.20/x
  3. Step 3: Cross multiply
    484,434.40x = 726,565.20 × 306,623.20
  4. Step 4: Simplify right side
    484,434.40x = 222,781,746,632.64
  5. Step 5: Solve for x
    x = 222,781,746,632.64/484,434.40
  6. Step 6: Final answer
    x = 459,880.11

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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.