Home / 649,333.42-974,216.09-409,169.83

Finding the Fourth Proportional to 649,333.42, 974,216.09 and 409,169.83

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Solution

The fourth proportional to 649,333.42, 974,216.09 and 409,169.83 is: 613,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,333.42 : 974,216.09 = 409,169.83 : x
  2. Step 2: Convert to fraction form
    649,333.42/974,216.09 = 409,169.83/x
  3. Step 3: Cross multiply
    649,333.42x = 974,216.09 × 409,169.83
  4. Step 4: Simplify right side
    649,333.42x = 398,619,831,928.57
  5. Step 5: Solve for x
    x = 398,619,831,928.57/649,333.42
  6. Step 6: Final answer
    x = 613,890.83

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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.