Home / 484,429.20-726,648.12-168,885.60

Finding the Fourth Proportional to 484,429.20, 726,648.12 and 168,885.60

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Solution

The fourth proportional to 484,429.20, 726,648.12 and 168,885.60 is: 253,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,429.20 : 726,648.12 = 168,885.60 : x
  2. Step 2: Convert to fraction form
    484,429.20/726,648.12 = 168,885.60/x
  3. Step 3: Cross multiply
    484,429.20x = 726,648.12 × 168,885.60
  4. Step 4: Simplify right side
    484,429.20x = 122,720,403,735.07
  5. Step 5: Solve for x
    x = 122,720,403,735.07/484,429.20
  6. Step 6: Final answer
    x = 253,329.91

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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.