Finding the Fourth Proportional to 1,191,578.99, 1,644,398.09 and 647,715.83
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Solution
The fourth proportional to 1,191,578.99, 1,644,398.09 and 647,715.83 is: 893,858.21
Step by Step Solution
- Step 1: Write the proportion equation
1,191,578.99 : 1,644,398.09 = 647,715.83 : x - Step 2: Convert to fraction form
1,191,578.99/1,644,398.09 = 647,715.83/x - Step 3: Cross multiply
1,191,578.99x = 1,644,398.09 × 647,715.83 - Step 4: Simplify right side
1,191,578.99x = 1,065,102,662,254.20 - Step 5: Solve for x
x = 1,065,102,662,254.20/1,191,578.99 - Step 6: Final answer
x = 893,858.21
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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.