Home / 1,138,734.41-1,571,453.25-622,490.47

Finding the Fourth Proportional to 1,138,734.41, 1,571,453.25 and 622,490.47

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Solution

The fourth proportional to 1,138,734.41, 1,571,453.25 and 622,490.47 is: 859,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,734.41 : 1,571,453.25 = 622,490.47 : x
  2. Step 2: Convert to fraction form
    1,138,734.41/1,571,453.25 = 622,490.47/x
  3. Step 3: Cross multiply
    1,138,734.41x = 1,571,453.25 × 622,490.47
  4. Step 4: Simplify right side
    1,138,734.41x = 978,214,676,104.16
  5. Step 5: Solve for x
    x = 978,214,676,104.16/1,138,734.41
  6. Step 6: Final answer
    x = 859,036.72

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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.