Finding the Fourth Proportional to 820,908.10, 1,232,346.30 and 461,365.30
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Solution
The fourth proportional to 820,908.10, 1,232,346.30 and 461,365.30 is: 692,601.06
Step by Step Solution
- Step 1: Write the proportion equation
820,908.10 : 1,232,346.30 = 461,365.30 : x - Step 2: Convert to fraction form
820,908.10/1,232,346.30 = 461,365.30/x - Step 3: Cross multiply
820,908.10x = 1,232,346.30 × 461,365.30 - Step 4: Simplify right side
820,908.10x = 568,561,820,403.39 - Step 5: Solve for x
x = 568,561,820,403.39/820,908.10 - Step 6: Final answer
x = 692,601.06
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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.