Home / 1,138,745.87-1,571,415.01-622,526.39

Finding the Fourth Proportional to 1,138,745.87, 1,571,415.01 and 622,526.39

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Solution

The fourth proportional to 1,138,745.87, 1,571,415.01 and 622,526.39 is: 859,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,745.87 : 1,571,415.01 = 622,526.39 : x
  2. Step 2: Convert to fraction form
    1,138,745.87/1,571,415.01 = 622,526.39/x
  3. Step 3: Cross multiply
    1,138,745.87x = 1,571,415.01 × 622,526.39
  4. Step 4: Simplify right side
    1,138,745.87x = 978,247,303,953.72
  5. Step 5: Solve for x
    x = 978,247,303,953.72/1,138,745.87
  6. Step 6: Final answer
    x = 859,056.73

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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.