Finding the Fourth Proportional to 1,592,872.58, 2,198,163.21 and 877,480.58
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Solution
The fourth proportional to 1,592,872.58, 2,198,163.21 and 877,480.58 is: 1,210,922.68
Step by Step Solution
- Step 1: Write the proportion equation
1,592,872.58 : 2,198,163.21 = 877,480.58 : x - Step 2: Convert to fraction form
1,592,872.58/2,198,163.21 = 877,480.58/x - Step 3: Cross multiply
1,592,872.58x = 2,198,163.21 × 877,480.58 - Step 4: Simplify right side
1,592,872.58x = 1,928,845,528,445.46 - Step 5: Solve for x
x = 1,928,845,528,445.46/1,592,872.58 - Step 6: Final answer
x = 1,210,922.68
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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.