Home / 1,394,453.48-1,923,847.23-878,239.47

Finding the Fourth Proportional to 1,394,453.48, 1,923,847.23 and 878,239.47

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Solution

The fourth proportional to 1,394,453.48, 1,923,847.23 and 878,239.47 is: 1,211,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,453.48 : 1,923,847.23 = 878,239.47 : x
  2. Step 2: Convert to fraction form
    1,394,453.48/1,923,847.23 = 878,239.47/x
  3. Step 3: Cross multiply
    1,394,453.48x = 1,923,847.23 × 878,239.47
  4. Step 4: Simplify right side
    1,394,453.48x = 1,689,598,569,323.03
  5. Step 5: Solve for x
    x = 1,689,598,569,323.03/1,394,453.48
  6. Step 6: Final answer
    x = 1,211,656.46

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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.