Home / 417,962.70-576,880.38-274,736.07

Finding the Fourth Proportional to 417,962.70, 576,880.38 and 274,736.07

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Solution

The fourth proportional to 417,962.70, 576,880.38 and 274,736.07 is: 379,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,962.70 : 576,880.38 = 274,736.07 : x
  2. Step 2: Convert to fraction form
    417,962.70/576,880.38 = 274,736.07/x
  3. Step 3: Cross multiply
    417,962.70x = 576,880.38 × 274,736.07
  4. Step 4: Simplify right side
    417,962.70x = 158,489,848,461.31
  5. Step 5: Solve for x
    x = 158,489,848,461.31/417,962.70
  6. Step 6: Final answer
    x = 379,196.15

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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.