Home / 587,579-811,107.06-396,850.73

Finding the Fourth Proportional to 587,579, 811,107.06 and 396,850.73

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Solution

The fourth proportional to 587,579, 811,107.06 and 396,850.73 is: 547,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,579 : 811,107.06 = 396,850.73 : x
  2. Step 2: Convert to fraction form
    587,579/811,107.06 = 396,850.73/x
  3. Step 3: Cross multiply
    587,579x = 811,107.06 × 396,850.73
  4. Step 4: Simplify right side
    587,579x = 321,888,428,869.15
  5. Step 5: Solve for x
    x = 321,888,428,869.15/587,579
  6. Step 6: Final answer
    x = 547,821.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.