Home / 439,029.17-605,858.90-248,042.51

Finding the Fourth Proportional to 439,029.17, 605,858.90 and 248,042.51

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Solution

The fourth proportional to 439,029.17, 605,858.90 and 248,042.51 is: 342,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,029.17 : 605,858.90 = 248,042.51 : x
  2. Step 2: Convert to fraction form
    439,029.17/605,858.90 = 248,042.51/x
  3. Step 3: Cross multiply
    439,029.17x = 605,858.90 × 248,042.51
  4. Step 4: Simplify right side
    439,029.17x = 150,278,757,992.33
  5. Step 5: Solve for x
    x = 150,278,757,992.33/439,029.17
  6. Step 6: Final answer
    x = 342,297.89

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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.