Home / 1,282,923.69-1,770,439.38-694,223.12

Finding the Fourth Proportional to 1,282,923.69, 1,770,439.38 and 694,223.12

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Solution

The fourth proportional to 1,282,923.69, 1,770,439.38 and 694,223.12 is: 958,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,923.69 : 1,770,439.38 = 694,223.12 : x
  2. Step 2: Convert to fraction form
    1,282,923.69/1,770,439.38 = 694,223.12/x
  3. Step 3: Cross multiply
    1,282,923.69x = 1,770,439.38 × 694,223.12
  4. Step 4: Simplify right side
    1,282,923.69x = 1,229,079,950,154.47
  5. Step 5: Solve for x
    x = 1,229,079,950,154.47/1,282,923.69
  6. Step 6: Final answer
    x = 958,030.44

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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.