Home / 1,427,490.69-2,141,796.46-628,211.56

Finding the Fourth Proportional to 1,427,490.69, 2,141,796.46 and 628,211.56

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Solution

The fourth proportional to 1,427,490.69, 2,141,796.46 and 628,211.56 is: 942,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,490.69 : 2,141,796.46 = 628,211.56 : x
  2. Step 2: Convert to fraction form
    1,427,490.69/2,141,796.46 = 628,211.56/x
  3. Step 3: Cross multiply
    1,427,490.69x = 2,141,796.46 × 628,211.56
  4. Step 4: Simplify right side
    1,427,490.69x = 1,345,501,295,339.08
  5. Step 5: Solve for x
    x = 1,345,501,295,339.08/1,427,490.69
  6. Step 6: Final answer
    x = 942,563.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.