Home / 639,760.24-882,846.84-367,819.12

Finding the Fourth Proportional to 639,760.24, 882,846.84 and 367,819.12

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Solution

The fourth proportional to 639,760.24, 882,846.84 and 367,819.12 is: 507,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,760.24 : 882,846.84 = 367,819.12 : x
  2. Step 2: Convert to fraction form
    639,760.24/882,846.84 = 367,819.12/x
  3. Step 3: Cross multiply
    639,760.24x = 882,846.84 × 367,819.12
  4. Step 4: Simplify right side
    639,760.24x = 324,727,947,783.58
  5. Step 5: Solve for x
    x = 324,727,947,783.58/639,760.24
  6. Step 6: Final answer
    x = 507,577.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.