Home / 891,806.64-1,336,922.40-682,379.52

Finding the Fourth Proportional to 891,806.64, 1,336,922.40 and 682,379.52

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Solution

The fourth proportional to 891,806.64, 1,336,922.40 and 682,379.52 is: 1,022,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,806.64 : 1,336,922.40 = 682,379.52 : x
  2. Step 2: Convert to fraction form
    891,806.64/1,336,922.40 = 682,379.52/x
  3. Step 3: Cross multiply
    891,806.64x = 1,336,922.40 × 682,379.52
  4. Step 4: Simplify right side
    891,806.64x = 912,288,465,589.25
  5. Step 5: Solve for x
    x = 912,288,465,589.25/891,806.64
  6. Step 6: Final answer
    x = 1,022,966.67

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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.