Finding the Fourth Proportional to 1,235,514.91, 1,704,997.55 and 691,655.17
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Solution
The fourth proportional to 1,235,514.91, 1,704,997.55 and 691,655.17 is: 954,476.84
Step by Step Solution
- Step 1: Write the proportion equation
1,235,514.91 : 1,704,997.55 = 691,655.17 : x - Step 2: Convert to fraction form
1,235,514.91/1,704,997.55 = 691,655.17/x - Step 3: Cross multiply
1,235,514.91x = 1,704,997.55 × 691,655.17 - Step 4: Simplify right side
1,235,514.91x = 1,179,270,358,311.57 - Step 5: Solve for x
x = 1,179,270,358,311.57/1,235,514.91 - Step 6: Final answer
x = 954,476.84
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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.