Home / 1,027,309.19-1,418,256.77-619,514.33

Finding the Fourth Proportional to 1,027,309.19, 1,418,256.77 and 619,514.33

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Solution

The fourth proportional to 1,027,309.19, 1,418,256.77 and 619,514.33 is: 855,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,309.19 : 1,418,256.77 = 619,514.33 : x
  2. Step 2: Convert to fraction form
    1,027,309.19/1,418,256.77 = 619,514.33/x
  3. Step 3: Cross multiply
    1,027,309.19x = 1,418,256.77 × 619,514.33
  4. Step 4: Simplify right side
    1,027,309.19x = 878,630,382,445.66
  5. Step 5: Solve for x
    x = 878,630,382,445.66/1,027,309.19
  6. Step 6: Final answer
    x = 855,273.56

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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.