Finding the Fourth Proportional to 1,439,863.98, 2,159,402.31 and 541,236.62
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Solution
The fourth proportional to 1,439,863.98, 2,159,402.31 and 541,236.62 is: 811,706.95
Step by Step Solution
- Step 1: Write the proportion equation
1,439,863.98 : 2,159,402.31 = 541,236.62 : x - Step 2: Convert to fraction form
1,439,863.98/2,159,402.31 = 541,236.62/x - Step 3: Cross multiply
1,439,863.98x = 2,159,402.31 × 541,236.62 - Step 4: Simplify right side
1,439,863.98x = 1,168,747,593,981.40 - Step 5: Solve for x
x = 1,168,747,593,981.40/1,439,863.98 - Step 6: Final answer
x = 811,706.95
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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.