Finding the Fourth Proportional to 1,143,283.09, 1,715,588.94 and 512,196.91
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Solution
The fourth proportional to 1,143,283.09, 1,715,588.94 and 512,196.91 is: 768,592.97
Step by Step Solution
- Step 1: Write the proportion equation
1,143,283.09 : 1,715,588.94 = 512,196.91 : x - Step 2: Convert to fraction form
1,143,283.09/1,715,588.94 = 512,196.91/x - Step 3: Cross multiply
1,143,283.09x = 1,715,588.94 × 512,196.91 - Step 4: Simplify right side
1,143,283.09x = 878,719,345,320.23 - Step 5: Solve for x
x = 878,719,345,320.23/1,143,283.09 - Step 6: Final answer
x = 768,592.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.