Finding the Fourth Proportional to 1,143,916.95, 1,578,552.42 and 627,657.96
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Solution
The fourth proportional to 1,143,916.95, 1,578,552.42 and 627,657.96 is: 866,138.92
Step by Step Solution
- Step 1: Write the proportion equation
1,143,916.95 : 1,578,552.42 = 627,657.96 : x - Step 2: Convert to fraction form
1,143,916.95/1,578,552.42 = 627,657.96/x - Step 3: Cross multiply
1,143,916.95x = 1,578,552.42 × 627,657.96 - Step 4: Simplify right side
1,143,916.95x = 990,790,991,690.26 - Step 5: Solve for x
x = 990,790,991,690.26/1,143,916.95 - Step 6: Final answer
x = 866,138.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.