Home / 282,026.20-423,039.30-269,584.60

Finding the Fourth Proportional to 282,026.20, 423,039.30 and 269,584.60

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Solution

The fourth proportional to 282,026.20, 423,039.30 and 269,584.60 is: 404,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,026.20 : 423,039.30 = 269,584.60 : x
  2. Step 2: Convert to fraction form
    282,026.20/423,039.30 = 269,584.60/x
  3. Step 3: Cross multiply
    282,026.20x = 423,039.30 × 269,584.60
  4. Step 4: Simplify right side
    282,026.20x = 114,044,880,474.78
  5. Step 5: Solve for x
    x = 114,044,880,474.78/282,026.20
  6. Step 6: Final answer
    x = 404,376.90

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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.