Finding the Fourth Proportional to 1,511,668.62, 2,086,102.72 and 832,605.12
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Solution
The fourth proportional to 1,511,668.62, 2,086,102.72 and 832,605.12 is: 1,148,995.08
Step by Step Solution
- Step 1: Write the proportion equation
1,511,668.62 : 2,086,102.72 = 832,605.12 : x - Step 2: Convert to fraction form
1,511,668.62/2,086,102.72 = 832,605.12/x - Step 3: Cross multiply
1,511,668.62x = 2,086,102.72 × 832,605.12 - Step 4: Simplify right side
1,511,668.62x = 1,736,899,797,179.01 - Step 5: Solve for x
x = 1,736,899,797,179.01/1,511,668.62 - Step 6: Final answer
x = 1,148,995.08
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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.