Home / 1,219,013.82-1,682,251.43-735,485.49

Finding the Fourth Proportional to 1,219,013.82, 1,682,251.43 and 735,485.49

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Solution

The fourth proportional to 1,219,013.82, 1,682,251.43 and 735,485.49 is: 1,014,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,013.82 : 1,682,251.43 = 735,485.49 : x
  2. Step 2: Convert to fraction form
    1,219,013.82/1,682,251.43 = 735,485.49/x
  3. Step 3: Cross multiply
    1,219,013.82x = 1,682,251.43 × 735,485.49
  4. Step 4: Simplify right side
    1,219,013.82x = 1,237,271,513,619.32
  5. Step 5: Solve for x
    x = 1,237,271,513,619.32/1,219,013.82
  6. Step 6: Final answer
    x = 1,014,977.43

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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.