Home / 941,389.28-1,299,118.87-511,668.28

Finding the Fourth Proportional to 941,389.28, 1,299,118.87 and 511,668.28

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Solution

The fourth proportional to 941,389.28, 1,299,118.87 and 511,668.28 is: 706,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,389.28 : 1,299,118.87 = 511,668.28 : x
  2. Step 2: Convert to fraction form
    941,389.28/1,299,118.87 = 511,668.28/x
  3. Step 3: Cross multiply
    941,389.28x = 1,299,118.87 × 511,668.28
  4. Step 4: Simplify right side
    941,389.28x = 664,717,917,728.44
  5. Step 5: Solve for x
    x = 664,717,917,728.44/941,389.28
  6. Step 6: Final answer
    x = 706,103.13

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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.