Finding the Fourth Proportional to 1,286,366.87, 1,775,174.00 and 705,578.04
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Solution
The fourth proportional to 1,286,366.87, 1,775,174.00 and 705,578.04 is: 973,690.95
Step by Step Solution
- Step 1: Write the proportion equation
1,286,366.87 : 1,775,174.00 = 705,578.04 : x - Step 2: Convert to fraction form
1,286,366.87/1,775,174.00 = 705,578.04/x - Step 3: Cross multiply
1,286,366.87x = 1,775,174.00 × 705,578.04 - Step 4: Simplify right side
1,286,366.87x = 1,252,523,788,051.07 - Step 5: Solve for x
x = 1,252,523,788,051.07/1,286,366.87 - Step 6: Final answer
x = 973,690.95
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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.