Finding the Fourth Proportional to 1,266,082.93, 1,747,194.23 and 685,305.95
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Solution
The fourth proportional to 1,266,082.93, 1,747,194.23 and 685,305.95 is: 945,722.09
Step by Step Solution
- Step 1: Write the proportion equation
1,266,082.93 : 1,747,194.23 = 685,305.95 : x - Step 2: Convert to fraction form
1,266,082.93/1,747,194.23 = 685,305.95/x - Step 3: Cross multiply
1,266,082.93x = 1,747,194.23 × 685,305.95 - Step 4: Simplify right side
1,266,082.93x = 1,197,362,589,462.17 - Step 5: Solve for x
x = 1,197,362,589,462.17/1,266,082.93 - Step 6: Final answer
x = 945,722.09
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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.