Home / 872,944.44-1,204,651.46-490,971.12

Finding the Fourth Proportional to 872,944.44, 1,204,651.46 and 490,971.12

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Solution

The fourth proportional to 872,944.44, 1,204,651.46 and 490,971.12 is: 677,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,944.44 : 1,204,651.46 = 490,971.12 : x
  2. Step 2: Convert to fraction form
    872,944.44/1,204,651.46 = 490,971.12/x
  3. Step 3: Cross multiply
    872,944.44x = 1,204,651.46 × 490,971.12
  4. Step 4: Simplify right side
    872,944.44x = 591,449,076,525.84
  5. Step 5: Solve for x
    x = 591,449,076,525.84/872,944.44
  6. Step 6: Final answer
    x = 677,533.47

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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.