Home / 724,194.40-1,085,125.20-605,221.60

Finding the Fourth Proportional to 724,194.40, 1,085,125.20 and 605,221.60

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Solution

The fourth proportional to 724,194.40, 1,085,125.20 and 605,221.60 is: 906,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,194.40 : 1,085,125.20 = 605,221.60 : x
  2. Step 2: Convert to fraction form
    724,194.40/1,085,125.20 = 605,221.60/x
  3. Step 3: Cross multiply
    724,194.40x = 1,085,125.20 × 605,221.60
  4. Step 4: Simplify right side
    724,194.40x = 656,741,209,744.32
  5. Step 5: Solve for x
    x = 656,741,209,744.32/724,194.40
  6. Step 6: Final answer
    x = 906,857.62

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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.