Home / 1,305,096.82-1,957,411.92-830,372.02

Finding the Fourth Proportional to 1,305,096.82, 1,957,411.92 and 830,372.02

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Solution

The fourth proportional to 1,305,096.82, 1,957,411.92 and 830,372.02 is: 1,245,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,096.82 : 1,957,411.92 = 830,372.02 : x
  2. Step 2: Convert to fraction form
    1,305,096.82/1,957,411.92 = 830,372.02/x
  3. Step 3: Cross multiply
    1,305,096.82x = 1,957,411.92 × 830,372.02
  4. Step 4: Simplify right side
    1,305,096.82x = 1,625,380,089,982.48
  5. Step 5: Solve for x
    x = 1,625,380,089,982.48/1,305,096.82
  6. Step 6: Final answer
    x = 1,245,409.59

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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.