Home / 445,287.19-666,354.09-276,886.82

Finding the Fourth Proportional to 445,287.19, 666,354.09 and 276,886.82

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Solution

The fourth proportional to 445,287.19, 666,354.09 and 276,886.82 is: 414,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,287.19 : 666,354.09 = 276,886.82 : x
  2. Step 2: Convert to fraction form
    445,287.19/666,354.09 = 276,886.82/x
  3. Step 3: Cross multiply
    445,287.19x = 666,354.09 × 276,886.82
  4. Step 4: Simplify right side
    445,287.19x = 184,504,667,678.31
  5. Step 5: Solve for x
    x = 184,504,667,678.31/445,287.19
  6. Step 6: Final answer
    x = 414,349.82

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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.