Home / 447,628.91-671,628.04-181,321.56

Finding the Fourth Proportional to 447,628.91, 671,628.04 and 181,321.56

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Solution

The fourth proportional to 447,628.91, 671,628.04 and 181,321.56 is: 272,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,628.91 : 671,628.04 = 181,321.56 : x
  2. Step 2: Convert to fraction form
    447,628.91/671,628.04 = 181,321.56/x
  3. Step 3: Cross multiply
    447,628.91x = 671,628.04 × 181,321.56
  4. Step 4: Simplify right side
    447,628.91x = 121,780,643,499.24
  5. Step 5: Solve for x
    x = 121,780,643,499.24/447,628.91
  6. Step 6: Final answer
    x = 272,057.15

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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.