Home / 467,125.68-639,964.48-449,632.24

Finding the Fourth Proportional to 467,125.68, 639,964.48 and 449,632.24

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Solution

The fourth proportional to 467,125.68, 639,964.48 and 449,632.24 is: 615,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,125.68 : 639,964.48 = 449,632.24 : x
  2. Step 2: Convert to fraction form
    467,125.68/639,964.48 = 449,632.24/x
  3. Step 3: Cross multiply
    467,125.68x = 639,964.48 × 449,632.24
  4. Step 4: Simplify right side
    467,125.68x = 287,748,662,662.84
  5. Step 5: Solve for x
    x = 287,748,662,662.84/467,125.68
  6. Step 6: Final answer
    x = 615,998.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.