Home / 1,275,087.56-1,759,620.84-702,126.37

Finding the Fourth Proportional to 1,275,087.56, 1,759,620.84 and 702,126.37

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Solution

The fourth proportional to 1,275,087.56, 1,759,620.84 and 702,126.37 is: 968,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,087.56 : 1,759,620.84 = 702,126.37 : x
  2. Step 2: Convert to fraction form
    1,275,087.56/1,759,620.84 = 702,126.37/x
  3. Step 3: Cross multiply
    1,275,087.56x = 1,759,620.84 × 702,126.37
  4. Step 4: Simplify right side
    1,275,087.56x = 1,235,476,188,566.50
  5. Step 5: Solve for x
    x = 1,235,476,188,566.50/1,275,087.56
  6. Step 6: Final answer
    x = 968,934.39

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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.