Home / 439,604.20-606,664.74-248,608.36

Finding the Fourth Proportional to 439,604.20, 606,664.74 and 248,608.36

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Solution

The fourth proportional to 439,604.20, 606,664.74 and 248,608.36 is: 343,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,604.20 : 606,664.74 = 248,608.36 : x
  2. Step 2: Convert to fraction form
    439,604.20/606,664.74 = 248,608.36/x
  3. Step 3: Cross multiply
    439,604.20x = 606,664.74 × 248,608.36
  4. Step 4: Simplify right side
    439,604.20x = 150,821,926,081.23
  5. Step 5: Solve for x
    x = 150,821,926,081.23/439,604.20
  6. Step 6: Final answer
    x = 343,085.73

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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.