Home / 919,961.17-1,269,546.48-512,054.23

Finding the Fourth Proportional to 919,961.17, 1,269,546.48 and 512,054.23

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Solution

The fourth proportional to 919,961.17, 1,269,546.48 and 512,054.23 is: 706,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,961.17 : 1,269,546.48 = 512,054.23 : x
  2. Step 2: Convert to fraction form
    919,961.17/1,269,546.48 = 512,054.23/x
  3. Step 3: Cross multiply
    919,961.17x = 1,269,546.48 × 512,054.23
  4. Step 4: Simplify right side
    919,961.17x = 650,076,642,091.74
  5. Step 5: Solve for x
    x = 650,076,642,091.74/919,961.17
  6. Step 6: Final answer
    x = 706,634.87

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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.