Home / 663,939.44-916,313.88-377,502.44

Finding the Fourth Proportional to 663,939.44, 916,313.88 and 377,502.44

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Solution

The fourth proportional to 663,939.44, 916,313.88 and 377,502.44 is: 520,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,939.44 : 916,313.88 = 377,502.44 : x
  2. Step 2: Convert to fraction form
    663,939.44/916,313.88 = 377,502.44/x
  3. Step 3: Cross multiply
    663,939.44x = 916,313.88 × 377,502.44
  4. Step 4: Simplify right side
    663,939.44x = 345,910,725,505.87
  5. Step 5: Solve for x
    x = 345,910,725,505.87/663,939.44
  6. Step 6: Final answer
    x = 520,997.41

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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.