Home / 1,235,815.92-1,853,756.28-394,366.86

Finding the Fourth Proportional to 1,235,815.92, 1,853,756.28 and 394,366.86

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Solution

The fourth proportional to 1,235,815.92, 1,853,756.28 and 394,366.86 is: 591,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,815.92 : 1,853,756.28 = 394,366.86 : x
  2. Step 2: Convert to fraction form
    1,235,815.92/1,853,756.28 = 394,366.86/x
  3. Step 3: Cross multiply
    1,235,815.92x = 1,853,756.28 × 394,366.86
  4. Step 4: Simplify right side
    1,235,815.92x = 731,060,043,348.88
  5. Step 5: Solve for x
    x = 731,060,043,348.88/1,235,815.92
  6. Step 6: Final answer
    x = 591,560.63

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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.