Home / 397,333.06-548,326.46-216,046.21

Finding the Fourth Proportional to 397,333.06, 548,326.46 and 216,046.21

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Solution

The fourth proportional to 397,333.06, 548,326.46 and 216,046.21 is: 298,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,333.06 : 548,326.46 = 216,046.21 : x
  2. Step 2: Convert to fraction form
    397,333.06/548,326.46 = 216,046.21/x
  3. Step 3: Cross multiply
    397,333.06x = 548,326.46 × 216,046.21
  4. Step 4: Simplify right side
    397,333.06x = 118,463,849,703.85
  5. Step 5: Solve for x
    x = 118,463,849,703.85/397,333.06
  6. Step 6: Final answer
    x = 298,147.48

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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.