Home / 547,850.20-821,786.12-248,275.48

Finding the Fourth Proportional to 547,850.20, 821,786.12 and 248,275.48

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Solution

The fourth proportional to 547,850.20, 821,786.12 and 248,275.48 is: 372,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,850.20 : 821,786.12 = 248,275.48 : x
  2. Step 2: Convert to fraction form
    547,850.20/821,786.12 = 248,275.48/x
  3. Step 3: Cross multiply
    547,850.20x = 821,786.12 × 248,275.48
  4. Step 4: Simplify right side
    547,850.20x = 204,029,343,400.34
  5. Step 5: Solve for x
    x = 204,029,343,400.34/547,850.20
  6. Step 6: Final answer
    x = 372,418.12

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1.5x scale

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.