Home / 1,203,970.63-1,661,245.49-713,849.57

Finding the Fourth Proportional to 1,203,970.63, 1,661,245.49 and 713,849.57

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Solution

The fourth proportional to 1,203,970.63, 1,661,245.49 and 713,849.57 is: 984,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,970.63 : 1,661,245.49 = 713,849.57 : x
  2. Step 2: Convert to fraction form
    1,203,970.63/1,661,245.49 = 713,849.57/x
  3. Step 3: Cross multiply
    1,203,970.63x = 1,661,245.49 × 713,849.57
  4. Step 4: Simplify right side
    1,203,970.63x = 1,185,879,384,638.68
  5. Step 5: Solve for x
    x = 1,185,879,384,638.68/1,203,970.63
  6. Step 6: Final answer
    x = 984,973.68

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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.