Home / 539,028.82-743,856.75-297,310.85

Finding the Fourth Proportional to 539,028.82, 743,856.75 and 297,310.85

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Solution

The fourth proportional to 539,028.82, 743,856.75 and 297,310.85 is: 410,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,028.82 : 743,856.75 = 297,310.85 : x
  2. Step 2: Convert to fraction form
    539,028.82/743,856.75 = 297,310.85/x
  3. Step 3: Cross multiply
    539,028.82x = 743,856.75 × 297,310.85
  4. Step 4: Simplify right side
    539,028.82x = 221,156,681,690.92
  5. Step 5: Solve for x
    x = 221,156,681,690.92/539,028.82
  6. Step 6: Final answer
    x = 410,287.30

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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.