Home / 1,193,127.36-1,789,971.30-394,408.86

Finding the Fourth Proportional to 1,193,127.36, 1,789,971.30 and 394,408.86

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Solution

The fourth proportional to 1,193,127.36, 1,789,971.30 and 394,408.86 is: 591,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,127.36 : 1,789,971.30 = 394,408.86 : x
  2. Step 2: Convert to fraction form
    1,193,127.36/1,789,971.30 = 394,408.86/x
  3. Step 3: Cross multiply
    1,193,127.36x = 1,789,971.30 × 394,408.86
  4. Step 4: Simplify right side
    1,193,127.36x = 705,980,539,865.72
  5. Step 5: Solve for x
    x = 705,980,539,865.72/1,193,127.36
  6. Step 6: Final answer
    x = 591,705.93

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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.