Home / 1,267,991.46-1,901,987.28-321,367.14

Finding the Fourth Proportional to 1,267,991.46, 1,901,987.28 and 321,367.14

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Solution

The fourth proportional to 1,267,991.46, 1,901,987.28 and 321,367.14 is: 482,050.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,991.46 : 1,901,987.28 = 321,367.14 : x
  2. Step 2: Convert to fraction form
    1,267,991.46/1,901,987.28 = 321,367.14/x
  3. Step 3: Cross multiply
    1,267,991.46x = 1,901,987.28 × 321,367.14
  4. Step 4: Simplify right side
    1,267,991.46x = 611,236,212,489.98
  5. Step 5: Solve for x
    x = 611,236,212,489.98/1,267,991.46
  6. Step 6: Final answer
    x = 482,050.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.