Finding the Fourth Proportional to 1,117,188.48, 1,541,738.56 and 607,893.44
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Solution
The fourth proportional to 1,117,188.48, 1,541,738.56 and 607,893.44 is: 838,902.99
Step by Step Solution
- Step 1: Write the proportion equation
1,117,188.48 : 1,541,738.56 = 607,893.44 : x - Step 2: Convert to fraction form
1,117,188.48/1,541,738.56 = 607,893.44/x - Step 3: Cross multiply
1,117,188.48x = 1,541,738.56 × 607,893.44 - Step 4: Simplify right side
1,117,188.48x = 937,212,756,819.05 - Step 5: Solve for x
x = 937,212,756,819.05/1,117,188.48 - Step 6: Final answer
x = 838,902.99
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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.