Finding the Fourth Proportional to 1,057,632.82, 1,586,449.65 and 577,598.09
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Solution
The fourth proportional to 1,057,632.82, 1,586,449.65 and 577,598.09 is: 866,397.36
Step by Step Solution
- Step 1: Write the proportion equation
1,057,632.82 : 1,586,449.65 = 577,598.09 : x - Step 2: Convert to fraction form
1,057,632.82/1,586,449.65 = 577,598.09/x - Step 3: Cross multiply
1,057,632.82x = 1,586,449.65 × 577,598.09 - Step 4: Simplify right side
1,057,632.82x = 916,330,287,629.70 - Step 5: Solve for x
x = 916,330,287,629.70/1,057,632.82 - Step 6: Final answer
x = 866,397.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.