Home / 941,689.39-1,299,524.97-511,969.51

Finding the Fourth Proportional to 941,689.39, 1,299,524.97 and 511,969.51

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Solution

The fourth proportional to 941,689.39, 1,299,524.97 and 511,969.51 is: 706,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,689.39 : 1,299,524.97 = 511,969.51 : x
  2. Step 2: Convert to fraction form
    941,689.39/1,299,524.97 = 511,969.51/x
  3. Step 3: Cross multiply
    941,689.39x = 1,299,524.97 × 511,969.51
  4. Step 4: Simplify right side
    941,689.39x = 665,317,162,123.67
  5. Step 5: Solve for x
    x = 665,317,162,123.67/941,689.39
  6. Step 6: Final answer
    x = 706,514.45

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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.