Home / 1,235,902.60-1,853,853.90-394,481.80

Finding the Fourth Proportional to 1,235,902.60, 1,853,853.90 and 394,481.80

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Solution

The fourth proportional to 1,235,902.60, 1,853,853.90 and 394,481.80 is: 591,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,902.60 : 1,853,853.90 = 394,481.80 : x
  2. Step 2: Convert to fraction form
    1,235,902.60/1,853,853.90 = 394,481.80/x
  3. Step 3: Cross multiply
    1,235,902.60x = 1,853,853.90 × 394,481.80
  4. Step 4: Simplify right side
    1,235,902.60x = 731,311,623,409.02
  5. Step 5: Solve for x
    x = 731,311,623,409.02/1,235,902.60
  6. Step 6: Final answer
    x = 591,722.70

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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.