Home / 1,183,540.82-1,633,880.26-776,266.74

Finding the Fourth Proportional to 1,183,540.82, 1,633,880.26 and 776,266.74

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Solution

The fourth proportional to 1,183,540.82, 1,633,880.26 and 776,266.74 is: 1,071,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,540.82 : 1,633,880.26 = 776,266.74 : x
  2. Step 2: Convert to fraction form
    1,183,540.82/1,633,880.26 = 776,266.74/x
  3. Step 3: Cross multiply
    1,183,540.82x = 1,633,880.26 × 776,266.74
  4. Step 4: Simplify right side
    1,183,540.82x = 1,268,326,902,980.55
  5. Step 5: Solve for x
    x = 1,268,326,902,980.55/1,183,540.82
  6. Step 6: Final answer
    x = 1,071,637.65

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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.