Home / 397,321.09-596,356.15-144,845.61

Finding the Fourth Proportional to 397,321.09, 596,356.15 and 144,845.61

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Solution

The fourth proportional to 397,321.09, 596,356.15 and 144,845.61 is: 217,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,321.09 : 596,356.15 = 144,845.61 : x
  2. Step 2: Convert to fraction form
    397,321.09/596,356.15 = 144,845.61/x
  3. Step 3: Cross multiply
    397,321.09x = 596,356.15 × 144,845.61
  4. Step 4: Simplify right side
    397,321.09x = 86,379,570,324.00
  5. Step 5: Solve for x
    x = 86,379,570,324.00/397,321.09
  6. Step 6: Final answer
    x = 217,404.95

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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.