Home / 804,815.20-1,205,840.40-383,183.20

Finding the Fourth Proportional to 804,815.20, 1,205,840.40 and 383,183.20

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Solution

The fourth proportional to 804,815.20, 1,205,840.40 and 383,183.20 is: 574,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,815.20 : 1,205,840.40 = 383,183.20 : x
  2. Step 2: Convert to fraction form
    804,815.20/1,205,840.40 = 383,183.20/x
  3. Step 3: Cross multiply
    804,815.20x = 1,205,840.40 × 383,183.20
  4. Step 4: Simplify right side
    804,815.20x = 462,057,783,161.28
  5. Step 5: Solve for x
    x = 462,057,783,161.28/804,815.20
  6. Step 6: Final answer
    x = 574,116.62

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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.