Home / 447,243.93-617,451.15-294,725.28

Finding the Fourth Proportional to 447,243.93, 617,451.15 and 294,725.28

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Solution

The fourth proportional to 447,243.93, 617,451.15 and 294,725.28 is: 406,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,243.93 : 617,451.15 = 294,725.28 : x
  2. Step 2: Convert to fraction form
    447,243.93/617,451.15 = 294,725.28/x
  3. Step 3: Cross multiply
    447,243.93x = 617,451.15 × 294,725.28
  4. Step 4: Simplify right side
    447,243.93x = 181,978,466,490.73
  5. Step 5: Solve for x
    x = 181,978,466,490.73/447,243.93
  6. Step 6: Final answer
    x = 406,888.62

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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.