Home / 1,286,453.32-1,775,414.58-713,678

Finding the Fourth Proportional to 1,286,453.32, 1,775,414.58 and 713,678

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Solution

The fourth proportional to 1,286,453.32, 1,775,414.58 and 713,678 is: 984,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,453.32 : 1,775,414.58 = 713,678 : x
  2. Step 2: Convert to fraction form
    1,286,453.32/1,775,414.58 = 713,678/x
  3. Step 3: Cross multiply
    1,286,453.32x = 1,775,414.58 × 713,678
  4. Step 4: Simplify right side
    1,286,453.32x = 1,267,074,326,625.24
  5. Step 5: Solve for x
    x = 1,267,074,326,625.24/1,286,453.32
  6. Step 6: Final answer
    x = 984,936.11

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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.