Home / 1,138,628.34-1,571,313.33-622,382.94

Finding the Fourth Proportional to 1,138,628.34, 1,571,313.33 and 622,382.94

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Solution

The fourth proportional to 1,138,628.34, 1,571,313.33 and 622,382.94 is: 858,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,628.34 : 1,571,313.33 = 622,382.94 : x
  2. Step 2: Convert to fraction form
    1,138,628.34/1,571,313.33 = 622,382.94/x
  3. Step 3: Cross multiply
    1,138,628.34x = 1,571,313.33 × 622,382.94
  4. Step 4: Simplify right side
    1,138,628.34x = 977,958,609,986.59
  5. Step 5: Solve for x
    x = 977,958,609,986.59/1,138,628.34
  6. Step 6: Final answer
    x = 858,891.86

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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.