Home / 857,714.06-1,286,571.09-296,748.56

Finding the Fourth Proportional to 857,714.06, 1,286,571.09 and 296,748.56

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Solution

The fourth proportional to 857,714.06, 1,286,571.09 and 296,748.56 is: 445,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,714.06 : 1,286,571.09 = 296,748.56 : x
  2. Step 2: Convert to fraction form
    857,714.06/1,286,571.09 = 296,748.56/x
  3. Step 3: Cross multiply
    857,714.06x = 1,286,571.09 × 296,748.56
  4. Step 4: Simplify right side
    857,714.06x = 381,788,122,624.37
  5. Step 5: Solve for x
    x = 381,788,122,624.37/857,714.06
  6. Step 6: Final answer
    x = 445,122.84

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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.