Home / 1,193,143.35-1,789,995.30-394,424.83

Finding the Fourth Proportional to 1,193,143.35, 1,789,995.30 and 394,424.83

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Solution

The fourth proportional to 1,193,143.35, 1,789,995.30 and 394,424.83 is: 591,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,143.35 : 1,789,995.30 = 394,424.83 : x
  2. Step 2: Convert to fraction form
    1,193,143.35/1,789,995.30 = 394,424.83/x
  3. Step 3: Cross multiply
    1,193,143.35x = 1,789,995.30 × 394,424.83
  4. Step 4: Simplify right side
    1,193,143.35x = 706,018,580,981.20
  5. Step 5: Solve for x
    x = 706,018,580,981.20/1,193,143.35
  6. Step 6: Final answer
    x = 591,729.89

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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.