Home / 1,105,769.09-1,525,796.76-622,305.41

Finding the Fourth Proportional to 1,105,769.09, 1,525,796.76 and 622,305.41

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Solution

The fourth proportional to 1,105,769.09, 1,525,796.76 and 622,305.41 is: 858,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,769.09 : 1,525,796.76 = 622,305.41 : x
  2. Step 2: Convert to fraction form
    1,105,769.09/1,525,796.76 = 622,305.41/x
  3. Step 3: Cross multiply
    1,105,769.09x = 1,525,796.76 × 622,305.41
  4. Step 4: Simplify right side
    1,105,769.09x = 949,511,573,013.13
  5. Step 5: Solve for x
    x = 949,511,573,013.13/1,105,769.09
  6. Step 6: Final answer
    x = 858,688.83

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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.