Home / 783,742.33-1,081,794.26-511,851.29

Finding the Fourth Proportional to 783,742.33, 1,081,794.26 and 511,851.29

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Solution

The fourth proportional to 783,742.33, 1,081,794.26 and 511,851.29 is: 706,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,742.33 : 1,081,794.26 = 511,851.29 : x
  2. Step 2: Convert to fraction form
    783,742.33/1,081,794.26 = 511,851.29/x
  3. Step 3: Cross multiply
    783,742.33x = 1,081,794.26 × 511,851.29
  4. Step 4: Simplify right side
    783,742.33x = 553,717,784,936.34
  5. Step 5: Solve for x
    x = 553,717,784,936.34/783,742.33
  6. Step 6: Final answer
    x = 706,504.89

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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.