Home / 419,849.12-579,362.84-236,115.16

Finding the Fourth Proportional to 419,849.12, 579,362.84 and 236,115.16

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Solution

The fourth proportional to 419,849.12, 579,362.84 and 236,115.16 is: 325,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,849.12 : 579,362.84 = 236,115.16 : x
  2. Step 2: Convert to fraction form
    419,849.12/579,362.84 = 236,115.16/x
  3. Step 3: Cross multiply
    419,849.12x = 579,362.84 × 236,115.16
  4. Step 4: Simplify right side
    419,849.12x = 136,796,349,664.65
  5. Step 5: Solve for x
    x = 136,796,349,664.65/419,849.12
  6. Step 6: Final answer
    x = 325,822.64

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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.