Home / 529,940.38-731,033.83-368,515.18

Finding the Fourth Proportional to 529,940.38, 731,033.83 and 368,515.18

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Solution

The fourth proportional to 529,940.38, 731,033.83 and 368,515.18 is: 508,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,940.38 : 731,033.83 = 368,515.18 : x
  2. Step 2: Convert to fraction form
    529,940.38/731,033.83 = 368,515.18/x
  3. Step 3: Cross multiply
    529,940.38x = 731,033.83 × 368,515.18
  4. Step 4: Simplify right side
    529,940.38x = 269,397,063,448.54
  5. Step 5: Solve for x
    x = 269,397,063,448.54/529,940.38
  6. Step 6: Final answer
    x = 508,353.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.