Home / 494,890.15-682,956.35-268,535.65

Finding the Fourth Proportional to 494,890.15, 682,956.35 and 268,535.65

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Solution

The fourth proportional to 494,890.15, 682,956.35 and 268,535.65 is: 370,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,890.15 : 682,956.35 = 268,535.65 : x
  2. Step 2: Convert to fraction form
    494,890.15/682,956.35 = 268,535.65/x
  3. Step 3: Cross multiply
    494,890.15x = 682,956.35 × 268,535.65
  4. Step 4: Simplify right side
    494,890.15x = 183,398,127,368.88
  5. Step 5: Solve for x
    x = 183,398,127,368.88/494,890.15
  6. Step 6: Final answer
    x = 370,583.51

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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.