Finding the Fourth Proportional to 1,265,991.29, 1,747,067.84 and 685,214.31
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Solution
The fourth proportional to 1,265,991.29, 1,747,067.84 and 685,214.31 is: 945,595.68
Step by Step Solution
- Step 1: Write the proportion equation
1,265,991.29 : 1,747,067.84 = 685,214.31 : x - Step 2: Convert to fraction form
1,265,991.29/1,747,067.84 = 685,214.31/x - Step 3: Cross multiply
1,265,991.29x = 1,747,067.84 × 685,214.31 - Step 4: Simplify right side
1,265,991.29x = 1,197,115,890,203.78 - Step 5: Solve for x
x = 1,197,115,890,203.78/1,265,991.29 - Step 6: Final answer
x = 945,595.68
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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.