Home / 2,086,245.20-3,128,590.20-823,811.60

Finding the Fourth Proportional to 2,086,245.20, 3,128,590.20 and 823,811.60

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Solution

The fourth proportional to 2,086,245.20, 3,128,590.20 and 823,811.60 is: 1,235,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,245.20 : 3,128,590.20 = 823,811.60 : x
  2. Step 2: Convert to fraction form
    2,086,245.20/3,128,590.20 = 823,811.60/x
  3. Step 3: Cross multiply
    2,086,245.20x = 3,128,590.20 × 823,811.60
  4. Step 4: Simplify right side
    2,086,245.20x = 2,577,368,898,406.32
  5. Step 5: Solve for x
    x = 2,577,368,898,406.32/2,086,245.20
  6. Step 6: Final answer
    x = 1,235,410.34

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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.