Home / 397,320.29-548,286.88-216,032.37

Finding the Fourth Proportional to 397,320.29, 548,286.88 and 216,032.37

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Solution

The fourth proportional to 397,320.29, 548,286.88 and 216,032.37 is: 298,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,320.29 : 548,286.88 = 216,032.37 : x
  2. Step 2: Convert to fraction form
    397,320.29/548,286.88 = 216,032.37/x
  3. Step 3: Cross multiply
    397,320.29x = 548,286.88 × 216,032.37
  4. Step 4: Simplify right side
    397,320.29x = 118,447,712,542.80
  5. Step 5: Solve for x
    x = 118,447,712,542.80/397,320.29
  6. Step 6: Final answer
    x = 298,116.45

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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.