Home / 649,350.45-974,241.60-409,186.83

Finding the Fourth Proportional to 649,350.45, 974,241.60 and 409,186.83

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Solution

The fourth proportional to 649,350.45, 974,241.60 and 409,186.83 is: 613,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,350.45 : 974,241.60 = 409,186.83 : x
  2. Step 2: Convert to fraction form
    649,350.45/974,241.60 = 409,186.83/x
  3. Step 3: Cross multiply
    649,350.45x = 974,241.60 × 409,186.83
  4. Step 4: Simplify right side
    649,350.45x = 398,646,831,958.13
  5. Step 5: Solve for x
    x = 398,646,831,958.13/649,350.45
  6. Step 6: Final answer
    x = 613,916.31

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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.