Home / 1,412,556.89-1,949,203.08-783,916.47

Finding the Fourth Proportional to 1,412,556.89, 1,949,203.08 and 783,916.47

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Solution

The fourth proportional to 1,412,556.89, 1,949,203.08 and 783,916.47 is: 1,081,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,556.89 : 1,949,203.08 = 783,916.47 : x
  2. Step 2: Convert to fraction form
    1,412,556.89/1,949,203.08 = 783,916.47/x
  3. Step 3: Cross multiply
    1,412,556.89x = 1,949,203.08 × 783,916.47
  4. Step 4: Simplify right side
    1,412,556.89x = 1,528,012,397,786.73
  5. Step 5: Solve for x
    x = 1,528,012,397,786.73/1,412,556.89
  6. Step 6: Final answer
    x = 1,081,735.12

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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.