Finding the Fourth Proportional to 1,141,678.05, 1,575,448.11 and 625,328.97
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Solution
The fourth proportional to 1,141,678.05, 1,575,448.11 and 625,328.97 is: 862,916.95
Step by Step Solution
- Step 1: Write the proportion equation
1,141,678.05 : 1,575,448.11 = 625,328.97 : x - Step 2: Convert to fraction form
1,141,678.05/1,575,448.11 = 625,328.97/x - Step 3: Cross multiply
1,141,678.05x = 1,575,448.11 × 625,328.97 - Step 4: Simplify right side
1,141,678.05x = 985,173,343,914.75 - Step 5: Solve for x
x = 985,173,343,914.75/1,141,678.05 - Step 6: Final answer
x = 862,916.95
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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.