Home / 726,262.29-1,089,393.53-193,785.30

Finding the Fourth Proportional to 726,262.29, 1,089,393.53 and 193,785.30

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Solution

The fourth proportional to 726,262.29, 1,089,393.53 and 193,785.30 is: 290,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,262.29 : 1,089,393.53 = 193,785.30 : x
  2. Step 2: Convert to fraction form
    726,262.29/1,089,393.53 = 193,785.30/x
  3. Step 3: Cross multiply
    726,262.29x = 1,089,393.53 × 193,785.30
  4. Step 4: Simplify right side
    726,262.29x = 211,108,451,060.18
  5. Step 5: Solve for x
    x = 211,108,451,060.18/726,262.29
  6. Step 6: Final answer
    x = 290,677.97

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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.