Home / 436,260.94-654,391.41-120,717.84

Finding the Fourth Proportional to 436,260.94, 654,391.41 and 120,717.84

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Solution

The fourth proportional to 436,260.94, 654,391.41 and 120,717.84 is: 181,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,260.94 : 654,391.41 = 120,717.84 : x
  2. Step 2: Convert to fraction form
    436,260.94/654,391.41 = 120,717.84/x
  3. Step 3: Cross multiply
    436,260.94x = 654,391.41 × 120,717.84
  4. Step 4: Simplify right side
    436,260.94x = 78,996,719,531.03
  5. Step 5: Solve for x
    x = 78,996,719,531.03/436,260.94
  6. Step 6: Final answer
    x = 181,076.77

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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.