Home / 649,899.24-974,758.67-200,634.90

Finding the Fourth Proportional to 649,899.24, 974,758.67 and 200,634.90

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Solution

The fourth proportional to 649,899.24, 974,758.67 and 200,634.90 is: 300,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,899.24 : 974,758.67 = 200,634.90 : x
  2. Step 2: Convert to fraction form
    649,899.24/974,758.67 = 200,634.90/x
  3. Step 3: Cross multiply
    649,899.24x = 974,758.67 × 200,634.90
  4. Step 4: Simplify right side
    649,899.24x = 195,570,608,279.58
  5. Step 5: Solve for x
    x = 195,570,608,279.58/649,899.24
  6. Step 6: Final answer
    x = 300,924.51

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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.