Home / 483,538.51-667,269.90-268,673.05

Finding the Fourth Proportional to 483,538.51, 667,269.90 and 268,673.05

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Solution

The fourth proportional to 483,538.51, 667,269.90 and 268,673.05 is: 370,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,538.51 : 667,269.90 = 268,673.05 : x
  2. Step 2: Convert to fraction form
    483,538.51/667,269.90 = 268,673.05/x
  3. Step 3: Cross multiply
    483,538.51x = 667,269.90 × 268,673.05
  4. Step 4: Simplify right side
    483,538.51x = 179,277,440,040.28
  5. Step 5: Solve for x
    x = 179,277,440,040.28/483,538.51
  6. Step 6: Final answer
    x = 370,761.45

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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.