Home / 649,103.36-973,747.20-199,861.56

Finding the Fourth Proportional to 649,103.36, 973,747.20 and 199,861.56

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Solution

The fourth proportional to 649,103.36, 973,747.20 and 199,861.56 is: 299,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,103.36 : 973,747.20 = 199,861.56 : x
  2. Step 2: Convert to fraction form
    649,103.36/973,747.20 = 199,861.56/x
  3. Step 3: Cross multiply
    649,103.36x = 973,747.20 × 199,861.56
  4. Step 4: Simplify right side
    649,103.36x = 194,614,634,437.63
  5. Step 5: Solve for x
    x = 194,614,634,437.63/649,103.36
  6. Step 6: Final answer
    x = 299,820.72

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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.