Home / 831,585.03-1,247,366.61-200,493.78

Finding the Fourth Proportional to 831,585.03, 1,247,366.61 and 200,493.78

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Solution

The fourth proportional to 831,585.03, 1,247,366.61 and 200,493.78 is: 300,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,585.03 : 1,247,366.61 = 200,493.78 : x
  2. Step 2: Convert to fraction form
    831,585.03/1,247,366.61 = 200,493.78/x
  3. Step 3: Cross multiply
    831,585.03x = 1,247,366.61 × 200,493.78
  4. Step 4: Simplify right side
    831,585.03x = 250,089,246,684.69
  5. Step 5: Solve for x
    x = 250,089,246,684.69/831,585.03
  6. Step 6: Final answer
    x = 300,738.03

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Double scale
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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.