Home / 494,870.40-682,929.09-268,515.90

Finding the Fourth Proportional to 494,870.40, 682,929.09 and 268,515.90

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Solution

The fourth proportional to 494,870.40, 682,929.09 and 268,515.90 is: 370,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,870.40 : 682,929.09 = 268,515.90 : x
  2. Step 2: Convert to fraction form
    494,870.40/682,929.09 = 268,515.90/x
  3. Step 3: Cross multiply
    494,870.40x = 682,929.09 × 268,515.90
  4. Step 4: Simplify right side
    494,870.40x = 183,377,319,237.53
  5. Step 5: Solve for x
    x = 183,377,319,237.53/494,870.40
  6. Step 6: Final answer
    x = 370,556.25

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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.