Home / 1,105,718.58-1,525,890.27-622,287.21

Finding the Fourth Proportional to 1,105,718.58, 1,525,890.27 and 622,287.21

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Solution

The fourth proportional to 1,105,718.58, 1,525,890.27 and 622,287.21 is: 858,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,718.58 : 1,525,890.27 = 622,287.21 : x
  2. Step 2: Convert to fraction form
    1,105,718.58/1,525,890.27 = 622,287.21/x
  3. Step 3: Cross multiply
    1,105,718.58x = 1,525,890.27 × 622,287.21
  4. Step 4: Simplify right side
    1,105,718.58x = 949,541,998,884.45
  5. Step 5: Solve for x
    x = 949,541,998,884.45/1,105,718.58
  6. Step 6: Final answer
    x = 858,755.58

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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.