Finding the Fourth Proportional to 1,442,895.53, 2,163,676.05 and 811,809.27
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Solution
The fourth proportional to 1,442,895.53, 2,163,676.05 and 811,809.27 is: 1,217,338.50
Step by Step Solution
- Step 1: Write the proportion equation
1,442,895.53 : 2,163,676.05 = 811,809.27 : x - Step 2: Convert to fraction form
1,442,895.53/2,163,676.05 = 811,809.27/x - Step 3: Cross multiply
1,442,895.53x = 2,163,676.05 × 811,809.27 - Step 4: Simplify right side
1,442,895.53x = 1,756,492,274,666.98 - Step 5: Solve for x
x = 1,756,492,274,666.98/1,442,895.53 - Step 6: Final answer
x = 1,217,338.50
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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.