Home / 492,103.08-738,154.60-281,592.18

Finding the Fourth Proportional to 492,103.08, 738,154.60 and 281,592.18

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Solution

The fourth proportional to 492,103.08, 738,154.60 and 281,592.18 is: 422,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,103.08 : 738,154.60 = 281,592.18 : x
  2. Step 2: Convert to fraction form
    492,103.08/738,154.60 = 281,592.18/x
  3. Step 3: Cross multiply
    492,103.08x = 738,154.60 × 281,592.18
  4. Step 4: Simplify right side
    492,103.08x = 207,858,562,991.03
  5. Step 5: Solve for x
    x = 207,858,562,991.03/492,103.08
  6. Step 6: Final answer
    x = 422,388.26

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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.