Finding the Fourth Proportional to 1,511,992.71, 2,086,548.99 and 832,929.21
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Solution
The fourth proportional to 1,511,992.71, 2,086,548.99 and 832,929.21 is: 1,149,441.79
Step by Step Solution
- Step 1: Write the proportion equation
1,511,992.71 : 2,086,548.99 = 832,929.21 : x - Step 2: Convert to fraction form
1,511,992.71/2,086,548.99 = 832,929.21/x - Step 3: Cross multiply
1,511,992.71x = 2,086,548.99 × 832,929.21 - Step 4: Simplify right side
1,511,992.71x = 1,737,947,601,867.00 - Step 5: Solve for x
x = 1,737,947,601,867.00/1,511,992.71 - Step 6: Final answer
x = 1,149,441.79
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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.