Home / 941,298.36-1,299,001.80-511,578.52

Finding the Fourth Proportional to 941,298.36, 1,299,001.80 and 511,578.52

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Solution

The fourth proportional to 941,298.36, 1,299,001.80 and 511,578.52 is: 705,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,298.36 : 1,299,001.80 = 511,578.52 : x
  2. Step 2: Convert to fraction form
    941,298.36/1,299,001.80 = 511,578.52/x
  3. Step 3: Cross multiply
    941,298.36x = 1,299,001.80 × 511,578.52
  4. Step 4: Simplify right side
    941,298.36x = 664,541,418,321.34
  5. Step 5: Solve for x
    x = 664,541,418,321.34/941,298.36
  6. Step 6: Final answer
    x = 705,983.83

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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.