Finding the Fourth Proportional to 1,511,623.18, 2,085,944.25 and 832,559.68
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Solution
The fourth proportional to 1,511,623.18, 2,085,944.25 and 832,559.68 is: 1,148,879.63
Step by Step Solution
- Step 1: Write the proportion equation
1,511,623.18 : 2,085,944.25 = 832,559.68 : x - Step 2: Convert to fraction form
1,511,623.18/2,085,944.25 = 832,559.68/x - Step 3: Cross multiply
1,511,623.18x = 2,085,944.25 × 832,559.68 - Step 4: Simplify right side
1,511,623.18x = 1,736,673,077,277.84 - Step 5: Solve for x
x = 1,736,673,077,277.84/1,511,623.18 - Step 6: Final answer
x = 1,148,879.63
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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.