Home / 886,928.60-1,330,392.90-818,499.80

Finding the Fourth Proportional to 886,928.60, 1,330,392.90 and 818,499.80

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Solution

The fourth proportional to 886,928.60, 1,330,392.90 and 818,499.80 is: 1,227,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,928.60 : 1,330,392.90 = 818,499.80 : x
  2. Step 2: Convert to fraction form
    886,928.60/1,330,392.90 = 818,499.80/x
  3. Step 3: Cross multiply
    886,928.60x = 1,330,392.90 × 818,499.80
  4. Step 4: Simplify right side
    886,928.60x = 1,088,926,322,571.42
  5. Step 5: Solve for x
    x = 1,088,926,322,571.42/886,928.60
  6. Step 6: Final answer
    x = 1,227,749.70

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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.