Home / 1,028,464.50-1,419,661.83-620,583.54

Finding the Fourth Proportional to 1,028,464.50, 1,419,661.83 and 620,583.54

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Solution

The fourth proportional to 1,028,464.50, 1,419,661.83 and 620,583.54 is: 856,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,464.50 : 1,419,661.83 = 620,583.54 : x
  2. Step 2: Convert to fraction form
    1,028,464.50/1,419,661.83 = 620,583.54/x
  3. Step 3: Cross multiply
    1,028,464.50x = 1,419,661.83 × 620,583.54
  4. Step 4: Simplify right side
    1,028,464.50x = 881,018,764,064.28
  5. Step 5: Solve for x
    x = 881,018,764,064.28/1,028,464.50
  6. Step 6: Final answer
    x = 856,635.07

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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.