Home / 439,076.62-605,917.85-248,085.91

Finding the Fourth Proportional to 439,076.62, 605,917.85 and 248,085.91

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Solution

The fourth proportional to 439,076.62, 605,917.85 and 248,085.91 is: 342,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,076.62 : 605,917.85 = 248,085.91 : x
  2. Step 2: Convert to fraction form
    439,076.62/605,917.85 = 248,085.91/x
  3. Step 3: Cross multiply
    439,076.62x = 605,917.85 × 248,085.91
  4. Step 4: Simplify right side
    439,076.62x = 150,319,681,202.49
  5. Step 5: Solve for x
    x = 150,319,681,202.49/439,076.62
  6. Step 6: Final answer
    x = 342,354.10

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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.