Finding the Fourth Proportional to 1,143,391.14, 1,577,825.73 and 634,082.58
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Solution
The fourth proportional to 1,143,391.14, 1,577,825.73 and 634,082.58 is: 875,003.99
Step by Step Solution
- Step 1: Write the proportion equation
1,143,391.14 : 1,577,825.73 = 634,082.58 : x - Step 2: Convert to fraction form
1,143,391.14/1,577,825.73 = 634,082.58/x - Step 3: Cross multiply
1,143,391.14x = 1,577,825.73 × 634,082.58 - Step 4: Simplify right side
1,143,391.14x = 1,000,471,809,668.78 - Step 5: Solve for x
x = 1,000,471,809,668.78/1,143,391.14 - Step 6: Final answer
x = 875,003.99
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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.