Home / 547,812.20-821,862.30-173,834.60

Finding the Fourth Proportional to 547,812.20, 821,862.30 and 173,834.60

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Solution

The fourth proportional to 547,812.20, 821,862.30 and 173,834.60 is: 260,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,812.20 : 821,862.30 = 173,834.60 : x
  2. Step 2: Convert to fraction form
    547,812.20/821,862.30 = 173,834.60/x
  3. Step 3: Cross multiply
    547,812.20x = 821,862.30 × 173,834.60
  4. Step 4: Simplify right side
    547,812.20x = 142,868,104,175.58
  5. Step 5: Solve for x
    x = 142,868,104,175.58/547,812.20
  6. Step 6: Final answer
    x = 260,797.59

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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.