Home / 834,611.40-1,252,015.11-265,793.36

Finding the Fourth Proportional to 834,611.40, 1,252,015.11 and 265,793.36

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Solution

The fourth proportional to 834,611.40, 1,252,015.11 and 265,793.36 is: 398,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,611.40 : 1,252,015.11 = 265,793.36 : x
  2. Step 2: Convert to fraction form
    834,611.40/1,252,015.11 = 265,793.36/x
  3. Step 3: Cross multiply
    834,611.40x = 1,252,015.11 × 265,793.36
  4. Step 4: Simplify right side
    834,611.40x = 332,777,296,597.59
  5. Step 5: Solve for x
    x = 332,777,296,597.59/834,611.40
  6. Step 6: Final answer
    x = 398,721.25

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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.