Finding the Fourth Proportional to 775,408.18, 1,162,310.90 and 295,507.14
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Solution
The fourth proportional to 775,408.18, 1,162,310.90 and 295,507.14 is: 442,955.31
Step by Step Solution
- Step 1: Write the proportion equation
775,408.18 : 1,162,310.90 = 295,507.14 : x - Step 2: Convert to fraction form
775,408.18/1,162,310.90 = 295,507.14/x - Step 3: Cross multiply
775,408.18x = 1,162,310.90 × 295,507.14 - Step 4: Simplify right side
775,408.18x = 343,471,169,849.83 - Step 5: Solve for x
x = 343,471,169,849.83/775,408.18 - Step 6: Final answer
x = 442,955.31
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1.5x scale
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.