Home / 482,823.70-723,615.90-269,591.20

Finding the Fourth Proportional to 482,823.70, 723,615.90 and 269,591.20

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Solution

The fourth proportional to 482,823.70, 723,615.90 and 269,591.20 is: 404,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,823.70 : 723,615.90 = 269,591.20 : x
  2. Step 2: Convert to fraction form
    482,823.70/723,615.90 = 269,591.20/x
  3. Step 3: Cross multiply
    482,823.70x = 723,615.90 × 269,591.20
  4. Step 4: Simplify right side
    482,823.70x = 195,080,478,820.08
  5. Step 5: Solve for x
    x = 195,080,478,820.08/482,823.70
  6. Step 6: Final answer
    x = 404,040.81

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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.