Home / 547,467.42-821,230.29-173,519.58

Finding the Fourth Proportional to 547,467.42, 821,230.29 and 173,519.58

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Solution

The fourth proportional to 547,467.42, 821,230.29 and 173,519.58 is: 260,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,467.42 : 821,230.29 = 173,519.58 : x
  2. Step 2: Convert to fraction form
    547,467.42/821,230.29 = 173,519.58/x
  3. Step 3: Cross multiply
    547,467.42x = 821,230.29 × 173,519.58
  4. Step 4: Simplify right side
    547,467.42x = 142,499,535,004.08
  5. Step 5: Solve for x
    x = 142,499,535,004.08/547,467.42
  6. Step 6: Final answer
    x = 260,288.61

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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.