Finding the Fourth Proportional to 1,266,557.19, 1,747,835.80 and 685,770.36
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Solution
The fourth proportional to 1,266,557.19, 1,747,835.80 and 685,770.36 is: 946,355.99
Step by Step Solution
- Step 1: Write the proportion equation
1,266,557.19 : 1,747,835.80 = 685,770.36 : x - Step 2: Convert to fraction form
1,266,557.19/1,747,835.80 = 685,770.36/x - Step 3: Cross multiply
1,266,557.19x = 1,747,835.80 × 685,770.36 - Step 4: Simplify right side
1,266,557.19x = 1,198,613,985,786.89 - Step 5: Solve for x
x = 1,198,613,985,786.89/1,266,557.19 - Step 6: Final answer
x = 946,355.99
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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.