Home / 1,212,467.38-1,673,300.37-668,652.82

Finding the Fourth Proportional to 1,212,467.38, 1,673,300.37 and 668,652.82

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Solution

The fourth proportional to 1,212,467.38, 1,673,300.37 and 668,652.82 is: 922,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,467.38 : 1,673,300.37 = 668,652.82 : x
  2. Step 2: Convert to fraction form
    1,212,467.38/1,673,300.37 = 668,652.82/x
  3. Step 3: Cross multiply
    1,212,467.38x = 1,673,300.37 × 668,652.82
  4. Step 4: Simplify right side
    1,212,467.38x = 1,118,857,011,107.54
  5. Step 5: Solve for x
    x = 1,118,857,011,107.54/1,212,467.38
  6. Step 6: Final answer
    x = 922,793.49

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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.