Home / 483,555.40-667,293.18-268,689.94

Finding the Fourth Proportional to 483,555.40, 667,293.18 and 268,689.94

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Solution

The fourth proportional to 483,555.40, 667,293.18 and 268,689.94 is: 370,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,555.40 : 667,293.18 = 268,689.94 : x
  2. Step 2: Convert to fraction form
    483,555.40/667,293.18 = 268,689.94/x
  3. Step 3: Cross multiply
    483,555.40x = 667,293.18 × 268,689.94
  4. Step 4: Simplify right side
    483,555.40x = 179,294,964,496.61
  5. Step 5: Solve for x
    x = 179,294,964,496.61/483,555.40
  6. Step 6: Final answer
    x = 370,784.74

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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.