Home / 649,561.08-974,278.97-200,161.28

Finding the Fourth Proportional to 649,561.08, 974,278.97 and 200,161.28

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Solution

The fourth proportional to 649,561.08, 974,278.97 and 200,161.28 is: 300,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,561.08 : 974,278.97 = 200,161.28 : x
  2. Step 2: Convert to fraction form
    649,561.08/974,278.97 = 200,161.28/x
  3. Step 3: Cross multiply
    649,561.08x = 974,278.97 × 200,161.28
  4. Step 4: Simplify right side
    649,561.08x = 195,012,928,648.38
  5. Step 5: Solve for x
    x = 195,012,928,648.38/649,561.08
  6. Step 6: Final answer
    x = 300,222.62

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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.