Home / 492,786.45-680,044.73-266,431.41

Finding the Fourth Proportional to 492,786.45, 680,044.73 and 266,431.41

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Solution

The fourth proportional to 492,786.45, 680,044.73 and 266,431.41 is: 367,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,786.45 : 680,044.73 = 266,431.41 : x
  2. Step 2: Convert to fraction form
    492,786.45/680,044.73 = 266,431.41/x
  3. Step 3: Cross multiply
    492,786.45x = 680,044.73 × 266,431.41
  4. Step 4: Simplify right side
    492,786.45x = 181,185,274,944.81
  5. Step 5: Solve for x
    x = 181,185,274,944.81/492,786.45
  6. Step 6: Final answer
    x = 367,675.03

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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.