Home / 789,191.01-1,089,190.26-445,097.61

Finding the Fourth Proportional to 789,191.01, 1,089,190.26 and 445,097.61

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Solution

The fourth proportional to 789,191.01, 1,089,190.26 and 445,097.61 is: 614,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,191.01 : 1,089,190.26 = 445,097.61 : x
  2. Step 2: Convert to fraction form
    789,191.01/1,089,190.26 = 445,097.61/x
  3. Step 3: Cross multiply
    789,191.01x = 1,089,190.26 × 445,097.61
  4. Step 4: Simplify right side
    789,191.01x = 484,795,981,561.28
  5. Step 5: Solve for x
    x = 484,795,981,561.28/789,191.01
  6. Step 6: Final answer
    x = 614,294.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.