Finding the Fourth Proportional to 1,241,251.11, 1,862,022.47 and 442,646.19
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Solution
The fourth proportional to 1,241,251.11, 1,862,022.47 and 442,646.19 is: 664,021.28
Step by Step Solution
- Step 1: Write the proportion equation
1,241,251.11 : 1,862,022.47 = 442,646.19 : x - Step 2: Convert to fraction form
1,241,251.11/1,862,022.47 = 442,646.19/x - Step 3: Cross multiply
1,241,251.11x = 1,862,022.47 × 442,646.19 - Step 4: Simplify right side
1,241,251.11x = 824,217,149,826.66 - Step 5: Solve for x
x = 824,217,149,826.66/1,241,251.11 - Step 6: Final answer
x = 664,021.28
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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.