Home / 635,946.20-877,414.38-381,204.44

Finding the Fourth Proportional to 635,946.20, 877,414.38 and 381,204.44

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Solution

The fourth proportional to 635,946.20, 877,414.38 and 381,204.44 is: 525,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,946.20 : 877,414.38 = 381,204.44 : x
  2. Step 2: Convert to fraction form
    635,946.20/877,414.38 = 381,204.44/x
  3. Step 3: Cross multiply
    635,946.20x = 877,414.38 × 381,204.44
  4. Step 4: Simplify right side
    635,946.20x = 334,474,257,375.85
  5. Step 5: Solve for x
    x = 334,474,257,375.85/635,946.20
  6. Step 6: Final answer
    x = 525,947.41

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1.5x scale

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.