Finding the Fourth Proportional to 691,339.74, 1,037,008.32 and 270,320.34
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Solution
The fourth proportional to 691,339.74, 1,037,008.32 and 270,320.34 is: 405,480.01
Step by Step Solution
- Step 1: Write the proportion equation
691,339.74 : 1,037,008.32 = 270,320.34 : x - Step 2: Convert to fraction form
691,339.74/1,037,008.32 = 270,320.34/x - Step 3: Cross multiply
691,339.74x = 1,037,008.32 × 270,320.34 - Step 4: Simplify right side
691,339.74x = 280,324,441,645.23 - Step 5: Solve for x
x = 280,324,441,645.23/691,339.74 - Step 6: Final answer
x = 405,480.01
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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.