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Finding the Fourth Proportional to 1,733,835.72, 2,392,786.26 and 969,843.72

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Solution

The fourth proportional to 1,733,835.72, 2,392,786.26 and 969,843.72 is: 1,338,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,835.72 : 2,392,786.26 = 969,843.72 : x
  2. Step 2: Convert to fraction form
    1,733,835.72/2,392,786.26 = 969,843.72/x
  3. Step 3: Cross multiply
    1,733,835.72x = 2,392,786.26 × 969,843.72
  4. Step 4: Simplify right side
    1,733,835.72x = 2,320,628,727,563.29
  5. Step 5: Solve for x
    x = 2,320,628,727,563.29/1,733,835.72
  6. Step 6: Final answer
    x = 1,338,436.34

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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.