Home / 928,000.88-1,392,208.44-296,952.56

Finding the Fourth Proportional to 928,000.88, 1,392,208.44 and 296,952.56

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Solution

The fourth proportional to 928,000.88, 1,392,208.44 and 296,952.56 is: 445,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,000.88 : 1,392,208.44 = 296,952.56 : x
  2. Step 2: Convert to fraction form
    928,000.88/1,392,208.44 = 296,952.56/x
  3. Step 3: Cross multiply
    928,000.88x = 1,392,208.44 × 296,952.56
  4. Step 4: Simplify right side
    928,000.88x = 413,419,860,311.61
  5. Step 5: Solve for x
    x = 413,419,860,311.61/928,000.88
  6. Step 6: Final answer
    x = 445,495.12

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Double scale
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Similar ratio
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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.