Home / 664,470.36-996,836.82-243,749.88

Finding the Fourth Proportional to 664,470.36, 996,836.82 and 243,749.88

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Solution

The fourth proportional to 664,470.36, 996,836.82 and 243,749.88 is: 365,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,470.36 : 996,836.82 = 243,749.88 : x
  2. Step 2: Convert to fraction form
    664,470.36/996,836.82 = 243,749.88/x
  3. Step 3: Cross multiply
    664,470.36x = 996,836.82 × 243,749.88
  4. Step 4: Simplify right side
    664,470.36x = 242,978,855,254.58
  5. Step 5: Solve for x
    x = 242,978,855,254.58/664,470.36
  6. Step 6: Final answer
    x = 365,672.98

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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.