Home / 901,736.20-1,244,093.84-519,754.78

Finding the Fourth Proportional to 901,736.20, 1,244,093.84 and 519,754.78

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Solution

The fourth proportional to 901,736.20, 1,244,093.84 and 519,754.78 is: 717,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,736.20 : 1,244,093.84 = 519,754.78 : x
  2. Step 2: Convert to fraction form
    901,736.20/1,244,093.84 = 519,754.78/x
  3. Step 3: Cross multiply
    901,736.20x = 1,244,093.84 × 519,754.78
  4. Step 4: Simplify right side
    901,736.20x = 646,623,720,108.56
  5. Step 5: Solve for x
    x = 646,623,720,108.56/901,736.20
  6. Step 6: Final answer
    x = 717,087.46

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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.