Home / 1,187,571.75-1,638,849.02-651,027.75

Finding the Fourth Proportional to 1,187,571.75, 1,638,849.02 and 651,027.75

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Solution

The fourth proportional to 1,187,571.75, 1,638,849.02 and 651,027.75 is: 898,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,571.75 : 1,638,849.02 = 651,027.75 : x
  2. Step 2: Convert to fraction form
    1,187,571.75/1,638,849.02 = 651,027.75/x
  3. Step 3: Cross multiply
    1,187,571.75x = 1,638,849.02 × 651,027.75
  4. Step 4: Simplify right side
    1,187,571.75x = 1,066,936,190,080.31
  5. Step 5: Solve for x
    x = 1,066,936,190,080.31/1,187,571.75
  6. Step 6: Final answer
    x = 898,418.30

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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.