Finding the Fourth Proportional to 866,580.36, 1,195,858.44 and 479,410.08
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Solution
The fourth proportional to 866,580.36, 1,195,858.44 and 479,410.08 is: 661,573.49
Step by Step Solution
- Step 1: Write the proportion equation
866,580.36 : 1,195,858.44 = 479,410.08 : x - Step 2: Convert to fraction form
866,580.36/1,195,858.44 = 479,410.08/x - Step 3: Cross multiply
866,580.36x = 1,195,858.44 × 479,410.08 - Step 4: Simplify right side
866,580.36x = 573,306,590,389.08 - Step 5: Solve for x
x = 573,306,590,389.08/866,580.36 - Step 6: Final answer
x = 661,573.49
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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.