Home / 539,063.91-743,949.97-297,367.61

Finding the Fourth Proportional to 539,063.91, 743,949.97 and 297,367.61

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Solution

The fourth proportional to 539,063.91, 743,949.97 and 297,367.61 is: 410,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,063.91 : 743,949.97 = 297,367.61 : x
  2. Step 2: Convert to fraction form
    539,063.91/743,949.97 = 297,367.61/x
  3. Step 3: Cross multiply
    539,063.91x = 743,949.97 × 297,367.61
  4. Step 4: Simplify right side
    539,063.91x = 221,226,620,075.30
  5. Step 5: Solve for x
    x = 221,226,620,075.30/539,063.91
  6. Step 6: Final answer
    x = 410,390.34

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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.