Home / 1,086,747.40-1,628,565.90-800,201.80

Finding the Fourth Proportional to 1,086,747.40, 1,628,565.90 and 800,201.80

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Solution

The fourth proportional to 1,086,747.40, 1,628,565.90 and 800,201.80 is: 1,199,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,747.40 : 1,628,565.90 = 800,201.80 : x
  2. Step 2: Convert to fraction form
    1,086,747.40/1,628,565.90 = 800,201.80/x
  3. Step 3: Cross multiply
    1,086,747.40x = 1,628,565.90 × 800,201.80
  4. Step 4: Simplify right side
    1,086,747.40x = 1,303,181,364,598.62
  5. Step 5: Solve for x
    x = 1,303,181,364,598.62/1,086,747.40
  6. Step 6: Final answer
    x = 1,199,157.56

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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.