Finding the Fourth Proportional to 1,261,786.08, 1,741,263.09 and 809,076
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Solution
The fourth proportional to 1,261,786.08, 1,741,263.09 and 809,076 is: 1,116,523.79
Step by Step Solution
- Step 1: Write the proportion equation
1,261,786.08 : 1,741,263.09 = 809,076 : x - Step 2: Convert to fraction form
1,261,786.08/1,741,263.09 = 809,076/x - Step 3: Cross multiply
1,261,786.08x = 1,741,263.09 × 809,076 - Step 4: Simplify right side
1,261,786.08x = 1,408,814,175,804.84 - Step 5: Solve for x
x = 1,408,814,175,804.84/1,261,786.08 - Step 6: Final answer
x = 1,116,523.79
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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.