Home / 548,721.05-827,194.34-512,143.47

Finding the Fourth Proportional to 548,721.05, 827,194.34 and 512,143.47

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Solution

The fourth proportional to 548,721.05, 827,194.34 and 512,143.47 is: 772,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,721.05 : 827,194.34 = 512,143.47 : x
  2. Step 2: Convert to fraction form
    548,721.05/827,194.34 = 512,143.47/x
  3. Step 3: Cross multiply
    548,721.05x = 827,194.34 × 512,143.47
  4. Step 4: Simplify right side
    548,721.05x = 423,642,179,651.96
  5. Step 5: Solve for x
    x = 423,642,179,651.96/548,721.05
  6. Step 6: Final answer
    x = 772,053.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.