Finding the Fourth Proportional to 1,197,869.41, 1,653,037.27 and 681,611.66
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Solution
The fourth proportional to 1,197,869.41, 1,653,037.27 and 681,611.66 is: 940,611.27
Step by Step Solution
- Step 1: Write the proportion equation
1,197,869.41 : 1,653,037.27 = 681,611.66 : x - Step 2: Convert to fraction form
1,197,869.41/1,653,037.27 = 681,611.66/x - Step 3: Cross multiply
1,197,869.41x = 1,653,037.27 × 681,611.66 - Step 4: Simplify right side
1,197,869.41x = 1,126,729,473,876.24 - Step 5: Solve for x
x = 1,126,729,473,876.24/1,197,869.41 - Step 6: Final answer
x = 940,611.27
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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.