Home / 724,433.20-1,086,601.20-191,942.80

Finding the Fourth Proportional to 724,433.20, 1,086,601.20 and 191,942.80

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Solution

The fourth proportional to 724,433.20, 1,086,601.20 and 191,942.80 is: 287,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,433.20 : 1,086,601.20 = 191,942.80 : x
  2. Step 2: Convert to fraction form
    724,433.20/1,086,601.20 = 191,942.80/x
  3. Step 3: Cross multiply
    724,433.20x = 1,086,601.20 × 191,942.80
  4. Step 4: Simplify right side
    724,433.20x = 208,565,276,811.36
  5. Step 5: Solve for x
    x = 208,565,276,811.36/724,433.20
  6. Step 6: Final answer
    x = 287,901.32

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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.