Finding the Fourth Proportional to 1,543,573.36, 2,129,452.70 and 931,384.66
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Solution
The fourth proportional to 1,543,573.36, 2,129,452.70 and 931,384.66 is: 1,284,901.40
Step by Step Solution
- Step 1: Write the proportion equation
1,543,573.36 : 2,129,452.70 = 931,384.66 : x - Step 2: Convert to fraction form
1,543,573.36/2,129,452.70 = 931,384.66/x - Step 3: Cross multiply
1,543,573.36x = 2,129,452.70 × 931,384.66 - Step 4: Simplify right side
1,543,573.36x = 1,983,339,578,975.58 - Step 5: Solve for x
x = 1,983,339,578,975.58/1,543,573.36 - Step 6: Final answer
x = 1,284,901.40
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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.