Finding the Fourth Proportional to 1,114,676.64, 1,538,256.42 and 605,368.08
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Solution
The fourth proportional to 1,114,676.64, 1,538,256.42 and 605,368.08 is: 835,409.39
Step by Step Solution
- Step 1: Write the proportion equation
1,114,676.64 : 1,538,256.42 = 605,368.08 : x - Step 2: Convert to fraction form
1,114,676.64/1,538,256.42 = 605,368.08/x - Step 3: Cross multiply
1,114,676.64x = 1,538,256.42 × 605,368.08 - Step 4: Simplify right side
1,114,676.64x = 931,211,335,523.07 - Step 5: Solve for x
x = 931,211,335,523.07/1,114,676.64 - Step 6: Final answer
x = 835,409.39
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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.