Home / 539,067.45-743,918.27-297,360.21

Finding the Fourth Proportional to 539,067.45, 743,918.27 and 297,360.21

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Solution

The fourth proportional to 539,067.45, 743,918.27 and 297,360.21 is: 410,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,067.45 : 743,918.27 = 297,360.21 : x
  2. Step 2: Convert to fraction form
    539,067.45/743,918.27 = 297,360.21/x
  3. Step 3: Cross multiply
    539,067.45x = 743,918.27 × 297,360.21
  4. Step 4: Simplify right side
    539,067.45x = 221,211,692,990.04
  5. Step 5: Solve for x
    x = 221,211,692,990.04/539,067.45
  6. Step 6: Final answer
    x = 410,359.95

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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.