Home / 649,719.57-974,670.89-200,476.96

Finding the Fourth Proportional to 649,719.57, 974,670.89 and 200,476.96

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Solution

The fourth proportional to 649,719.57, 974,670.89 and 200,476.96 is: 300,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,719.57 : 974,670.89 = 200,476.96 : x
  2. Step 2: Convert to fraction form
    649,719.57/974,670.89 = 200,476.96/x
  3. Step 3: Cross multiply
    649,719.57x = 974,670.89 × 200,476.96
  4. Step 4: Simplify right side
    649,719.57x = 195,399,057,027.69
  5. Step 5: Solve for x
    x = 195,399,057,027.69/649,719.57
  6. Step 6: Final answer
    x = 300,743.68

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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.