Home / 484,435.40-726,566.70-306,624.20

Finding the Fourth Proportional to 484,435.40, 726,566.70 and 306,624.20

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Solution

The fourth proportional to 484,435.40, 726,566.70 and 306,624.20 is: 459,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,435.40 : 726,566.70 = 306,624.20 : x
  2. Step 2: Convert to fraction form
    484,435.40/726,566.70 = 306,624.20/x
  3. Step 3: Cross multiply
    484,435.40x = 726,566.70 × 306,624.20
  4. Step 4: Simplify right side
    484,435.40x = 222,782,933,134.14
  5. Step 5: Solve for x
    x = 222,782,933,134.14/484,435.40
  6. Step 6: Final answer
    x = 459,881.61

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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.