Home / 857,961.09-1,183,010.79-547,445.97

Finding the Fourth Proportional to 857,961.09, 1,183,010.79 and 547,445.97

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Solution

The fourth proportional to 857,961.09, 1,183,010.79 and 547,445.97 is: 754,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,961.09 : 1,183,010.79 = 547,445.97 : x
  2. Step 2: Convert to fraction form
    857,961.09/1,183,010.79 = 547,445.97/x
  3. Step 3: Cross multiply
    857,961.09x = 1,183,010.79 × 547,445.97
  4. Step 4: Simplify right side
    857,961.09x = 647,634,489,452.02
  5. Step 5: Solve for x
    x = 647,634,489,452.02/857,961.09
  6. Step 6: Final answer
    x = 754,852.98

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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.