Home / 494,464.20-741,696.30-489,215.40

Finding the Fourth Proportional to 494,464.20, 741,696.30 and 489,215.40

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Solution

The fourth proportional to 494,464.20, 741,696.30 and 489,215.40 is: 733,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,464.20 : 741,696.30 = 489,215.40 : x
  2. Step 2: Convert to fraction form
    494,464.20/741,696.30 = 489,215.40/x
  3. Step 3: Cross multiply
    494,464.20x = 741,696.30 × 489,215.40
  4. Step 4: Simplify right side
    494,464.20x = 362,849,252,083.02
  5. Step 5: Solve for x
    x = 362,849,252,083.02/494,464.20
  6. Step 6: Final answer
    x = 733,823.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.