Home / 494,869.65-682,928.06-268,515.15

Finding the Fourth Proportional to 494,869.65, 682,928.06 and 268,515.15

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Solution

The fourth proportional to 494,869.65, 682,928.06 and 268,515.15 is: 370,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,869.65 : 682,928.06 = 268,515.15 : x
  2. Step 2: Convert to fraction form
    494,869.65/682,928.06 = 268,515.15/x
  3. Step 3: Cross multiply
    494,869.65x = 682,928.06 × 268,515.15
  4. Step 4: Simplify right side
    494,869.65x = 183,376,529,127.53
  5. Step 5: Solve for x
    x = 183,376,529,127.53/494,869.65
  6. Step 6: Final answer
    x = 370,555.21

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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.