Home / 438,912.35-605,960.07-277,905.41

Finding the Fourth Proportional to 438,912.35, 605,960.07 and 277,905.41

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Solution

The fourth proportional to 438,912.35, 605,960.07 and 277,905.41 is: 383,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,912.35 : 605,960.07 = 277,905.41 : x
  2. Step 2: Convert to fraction form
    438,912.35/605,960.07 = 277,905.41/x
  3. Step 3: Cross multiply
    438,912.35x = 605,960.07 × 277,905.41
  4. Step 4: Simplify right side
    438,912.35x = 168,399,581,696.98
  5. Step 5: Solve for x
    x = 168,399,581,696.98/438,912.35
  6. Step 6: Final answer
    x = 383,674.74

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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.