Home / 667,448.22-1,001,171.67-268,089.06

Finding the Fourth Proportional to 667,448.22, 1,001,171.67 and 268,089.06

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Solution

The fourth proportional to 667,448.22, 1,001,171.67 and 268,089.06 is: 402,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,448.22 : 1,001,171.67 = 268,089.06 : x
  2. Step 2: Convert to fraction form
    667,448.22/1,001,171.67 = 268,089.06/x
  3. Step 3: Cross multiply
    667,448.22x = 1,001,171.67 × 268,089.06
  4. Step 4: Simplify right side
    667,448.22x = 268,403,171,908.93
  5. Step 5: Solve for x
    x = 268,403,171,908.93/667,448.22
  6. Step 6: Final answer
    x = 402,133.32

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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.