Home / 496,021.54-684,257.37-324,040.17

Finding the Fourth Proportional to 496,021.54, 684,257.37 and 324,040.17

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Solution

The fourth proportional to 496,021.54, 684,257.37 and 324,040.17 is: 447,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,021.54 : 684,257.37 = 324,040.17 : x
  2. Step 2: Convert to fraction form
    496,021.54/684,257.37 = 324,040.17/x
  3. Step 3: Cross multiply
    496,021.54x = 684,257.37 × 324,040.17
  4. Step 4: Simplify right side
    496,021.54x = 221,726,874,498.55
  5. Step 5: Solve for x
    x = 221,726,874,498.55/496,021.54
  6. Step 6: Final answer
    x = 447,010.58

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1.5x scale

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.