Home / 1,403,556.16-1,936,907.64-758,976.31

Finding the Fourth Proportional to 1,403,556.16, 1,936,907.64 and 758,976.31

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Solution

The fourth proportional to 1,403,556.16, 1,936,907.64 and 758,976.31 is: 1,047,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,556.16 : 1,936,907.64 = 758,976.31 : x
  2. Step 2: Convert to fraction form
    1,403,556.16/1,936,907.64 = 758,976.31/x
  3. Step 3: Cross multiply
    1,403,556.16x = 1,936,907.64 × 758,976.31
  4. Step 4: Simplify right side
    1,403,556.16x = 1,470,067,013,418.01
  5. Step 5: Solve for x
    x = 1,470,067,013,418.01/1,403,556.16
  6. Step 6: Final answer
    x = 1,047,387.38

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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.