Home / 1,257,042.58-1,734,758.10-713,201.28

Finding the Fourth Proportional to 1,257,042.58, 1,734,758.10 and 713,201.28

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Solution

The fourth proportional to 1,257,042.58, 1,734,758.10 and 713,201.28 is: 984,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,042.58 : 1,734,758.10 = 713,201.28 : x
  2. Step 2: Convert to fraction form
    1,257,042.58/1,734,758.10 = 713,201.28/x
  3. Step 3: Cross multiply
    1,257,042.58x = 1,734,758.10 × 713,201.28
  4. Step 4: Simplify right side
    1,257,042.58x = 1,237,231,697,410.37
  5. Step 5: Solve for x
    x = 1,237,231,697,410.37/1,257,042.58
  6. Step 6: Final answer
    x = 984,240.09

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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.