Home / 756,146.88-1,134,220.32-622,491.11

Finding the Fourth Proportional to 756,146.88, 1,134,220.32 and 622,491.11

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Solution

The fourth proportional to 756,146.88, 1,134,220.32 and 622,491.11 is: 933,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,146.88 : 1,134,220.32 = 622,491.11 : x
  2. Step 2: Convert to fraction form
    756,146.88/1,134,220.32 = 622,491.11/x
  3. Step 3: Cross multiply
    756,146.88x = 1,134,220.32 × 622,491.11
  4. Step 4: Simplify right side
    756,146.88x = 706,042,064,563.58
  5. Step 5: Solve for x
    x = 706,042,064,563.58/756,146.88
  6. Step 6: Final answer
    x = 933,736.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.