Home / 1,089,155.28-1,632,522.24-822,049.68

Finding the Fourth Proportional to 1,089,155.28, 1,632,522.24 and 822,049.68

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Solution

The fourth proportional to 1,089,155.28, 1,632,522.24 and 822,049.68 is: 1,232,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,155.28 : 1,632,522.24 = 822,049.68 : x
  2. Step 2: Convert to fraction form
    1,089,155.28/1,632,522.24 = 822,049.68/x
  3. Step 3: Cross multiply
    1,089,155.28x = 1,632,522.24 × 822,049.68
  4. Step 4: Simplify right side
    1,089,155.28x = 1,342,014,384,984.88
  5. Step 5: Solve for x
    x = 1,342,014,384,984.88/1,089,155.28
  6. Step 6: Final answer
    x = 1,232,160.75

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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.