Home / 547,829.08-821,900.22-323,394.28

Finding the Fourth Proportional to 547,829.08, 821,900.22 and 323,394.28

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Solution

The fourth proportional to 547,829.08, 821,900.22 and 323,394.28 is: 485,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,829.08 : 821,900.22 = 323,394.28 : x
  2. Step 2: Convert to fraction form
    547,829.08/821,900.22 = 323,394.28/x
  3. Step 3: Cross multiply
    547,829.08x = 821,900.22 × 323,394.28
  4. Step 4: Simplify right side
    547,829.08x = 265,797,829,878.74
  5. Step 5: Solve for x
    x = 265,797,829,878.74/547,829.08
  6. Step 6: Final answer
    x = 485,183.86

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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.