Home / 726,079.44-1,089,171.18-193,597.68

Finding the Fourth Proportional to 726,079.44, 1,089,171.18 and 193,597.68

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Solution

The fourth proportional to 726,079.44, 1,089,171.18 and 193,597.68 is: 290,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,079.44 : 1,089,171.18 = 193,597.68 : x
  2. Step 2: Convert to fraction form
    726,079.44/1,089,171.18 = 193,597.68/x
  3. Step 3: Cross multiply
    726,079.44x = 1,089,171.18 × 193,597.68
  4. Step 4: Simplify right side
    726,079.44x = 210,861,013,570.86
  5. Step 5: Solve for x
    x = 210,861,013,570.86/726,079.44
  6. Step 6: Final answer
    x = 290,410.39

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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.