Home / 419,128.24-628,339.70-182,292.54

Finding the Fourth Proportional to 419,128.24, 628,339.70 and 182,292.54

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Solution

The fourth proportional to 419,128.24, 628,339.70 and 182,292.54 is: 273,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,128.24 : 628,339.70 = 182,292.54 : x
  2. Step 2: Convert to fraction form
    419,128.24/628,339.70 = 182,292.54/x
  3. Step 3: Cross multiply
    419,128.24x = 628,339.70 × 182,292.54
  4. Step 4: Simplify right side
    419,128.24x = 114,541,639,895.84
  5. Step 5: Solve for x
    x = 114,541,639,895.84/419,128.24
  6. Step 6: Final answer
    x = 273,285.43

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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.