Finding the Fourth Proportional to 963,757.70, 1,445,636.55 and 683,821.70
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Solution
The fourth proportional to 963,757.70, 1,445,636.55 and 683,821.70 is: 1,025,732.55
Step by Step Solution
- Step 1: Write the proportion equation
963,757.70 : 1,445,636.55 = 683,821.70 : x - Step 2: Convert to fraction form
963,757.70/1,445,636.55 = 683,821.70/x - Step 3: Cross multiply
963,757.70x = 1,445,636.55 × 683,821.70 - Step 4: Simplify right side
963,757.70x = 988,557,643,203.14 - Step 5: Solve for x
x = 988,557,643,203.14/963,757.70 - Step 6: Final answer
x = 1,025,732.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.