Home / 397,555.73-548,617.02-227,778.92

Finding the Fourth Proportional to 397,555.73, 548,617.02 and 227,778.92

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Solution

The fourth proportional to 397,555.73, 548,617.02 and 227,778.92 is: 314,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,555.73 : 548,617.02 = 227,778.92 : x
  2. Step 2: Convert to fraction form
    397,555.73/548,617.02 = 227,778.92/x
  3. Step 3: Cross multiply
    397,555.73x = 548,617.02 × 227,778.92
  4. Step 4: Simplify right side
    397,555.73x = 124,963,392,309.22
  5. Step 5: Solve for x
    x = 124,963,392,309.22/397,555.73
  6. Step 6: Final answer
    x = 314,329.24

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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.