Home / 418,979.16-578,185.61-227,992.10

Finding the Fourth Proportional to 418,979.16, 578,185.61 and 227,992.10

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Solution

The fourth proportional to 418,979.16, 578,185.61 and 227,992.10 is: 314,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,979.16 : 578,185.61 = 227,992.10 : x
  2. Step 2: Convert to fraction form
    418,979.16/578,185.61 = 227,992.10/x
  3. Step 3: Cross multiply
    418,979.16x = 578,185.61 × 227,992.10
  4. Step 4: Simplify right side
    418,979.16x = 131,821,747,382.79
  5. Step 5: Solve for x
    x = 131,821,747,382.79/418,979.16
  6. Step 6: Final answer
    x = 314,626.02

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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.