Home / 831,826.76-1,147,924.39-449,853.54

Finding the Fourth Proportional to 831,826.76, 1,147,924.39 and 449,853.54

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Solution

The fourth proportional to 831,826.76, 1,147,924.39 and 449,853.54 is: 620,799.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,826.76 : 1,147,924.39 = 449,853.54 : x
  2. Step 2: Convert to fraction form
    831,826.76/1,147,924.39 = 449,853.54/x
  3. Step 3: Cross multiply
    831,826.76x = 1,147,924.39 × 449,853.54
  4. Step 4: Simplify right side
    831,826.76x = 516,397,848,244.57
  5. Step 5: Solve for x
    x = 516,397,848,244.57/831,826.76
  6. Step 6: Final answer
    x = 620,799.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.