Finding the Fourth Proportional to 1,185,843.12, 1,777,488.84 and 512,241.36
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Solution
The fourth proportional to 1,185,843.12, 1,777,488.84 and 512,241.36 is: 767,810.92
Step by Step Solution
- Step 1: Write the proportion equation
1,185,843.12 : 1,777,488.84 = 512,241.36 : x - Step 2: Convert to fraction form
1,185,843.12/1,777,488.84 = 512,241.36/x - Step 3: Cross multiply
1,185,843.12x = 1,777,488.84 × 512,241.36 - Step 4: Simplify right side
1,185,843.12x = 910,503,300,786.42 - Step 5: Solve for x
x = 910,503,300,786.42/1,185,843.12 - Step 6: Final answer
x = 767,810.92
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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.