Home / 492,282.36-739,964.94-324,878.46

Finding the Fourth Proportional to 492,282.36, 739,964.94 and 324,878.46

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Solution

The fourth proportional to 492,282.36, 739,964.94 and 324,878.46 is: 488,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,282.36 : 739,964.94 = 324,878.46 : x
  2. Step 2: Convert to fraction form
    492,282.36/739,964.94 = 324,878.46/x
  3. Step 3: Cross multiply
    492,282.36x = 739,964.94 × 324,878.46
  4. Step 4: Simplify right side
    492,282.36x = 240,398,670,161.19
  5. Step 5: Solve for x
    x = 240,398,670,161.19/492,282.36
  6. Step 6: Final answer
    x = 488,334.93

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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.