Home / 940,872.20-1,409,234.70-816,456.20

Finding the Fourth Proportional to 940,872.20, 1,409,234.70 and 816,456.20

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Solution

The fourth proportional to 940,872.20, 1,409,234.70 and 816,456.20 is: 1,222,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,872.20 : 1,409,234.70 = 816,456.20 : x
  2. Step 2: Convert to fraction form
    940,872.20/1,409,234.70 = 816,456.20/x
  3. Step 3: Cross multiply
    940,872.20x = 1,409,234.70 × 816,456.20
  4. Step 4: Simplify right side
    940,872.20x = 1,150,578,408,070.14
  5. Step 5: Solve for x
    x = 1,150,578,408,070.14/940,872.20
  6. Step 6: Final answer
    x = 1,222,884.90

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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.