Finding the Fourth Proportional to 1,241,136.84, 1,861,812.12 and 342,578.72
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Solution
The fourth proportional to 1,241,136.84, 1,861,812.12 and 342,578.72 is: 513,897.58
Step by Step Solution
- Step 1: Write the proportion equation
1,241,136.84 : 1,861,812.12 = 342,578.72 : x - Step 2: Convert to fraction form
1,241,136.84/1,861,812.12 = 342,578.72/x - Step 3: Cross multiply
1,241,136.84x = 1,861,812.12 × 342,578.72 - Step 4: Simplify right side
1,241,136.84x = 637,817,212,950.09 - Step 5: Solve for x
x = 637,817,212,950.09/1,241,136.84 - Step 6: Final answer
x = 513,897.58
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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.