Home / 1,131,879.51-1,561,961.16-622,581.93

Finding the Fourth Proportional to 1,131,879.51, 1,561,961.16 and 622,581.93

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Solution

The fourth proportional to 1,131,879.51, 1,561,961.16 and 622,581.93 is: 859,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,879.51 : 1,561,961.16 = 622,581.93 : x
  2. Step 2: Convert to fraction form
    1,131,879.51/1,561,961.16 = 622,581.93/x
  3. Step 3: Cross multiply
    1,131,879.51x = 1,561,961.16 × 622,581.93
  4. Step 4: Simplify right side
    1,131,879.51x = 972,448,793,577.84
  5. Step 5: Solve for x
    x = 972,448,793,577.84/1,131,879.51
  6. Step 6: Final answer
    x = 859,145.15

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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.