Home / 1,557,629.03-2,149,556.06-913,513.79

Finding the Fourth Proportional to 1,557,629.03, 2,149,556.06 and 913,513.79

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Solution

The fourth proportional to 1,557,629.03, 2,149,556.06 and 913,513.79 is: 1,260,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,629.03 : 2,149,556.06 = 913,513.79 : x
  2. Step 2: Convert to fraction form
    1,557,629.03/2,149,556.06 = 913,513.79/x
  3. Step 3: Cross multiply
    1,557,629.03x = 2,149,556.06 × 913,513.79
  4. Step 4: Simplify right side
    1,557,629.03x = 1,963,649,103,188.07
  5. Step 5: Solve for x
    x = 1,963,649,103,188.07/1,557,629.03
  6. Step 6: Final answer
    x = 1,260,665.45

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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.