Finding the Fourth Proportional to 1,205,853.26, 1,806,415.14 and 699,350.19
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Solution
The fourth proportional to 1,205,853.26, 1,806,415.14 and 699,350.19 is: 1,047,653.82
Step by Step Solution
- Step 1: Write the proportion equation
1,205,853.26 : 1,806,415.14 = 699,350.19 : x - Step 2: Convert to fraction form
1,205,853.26/1,806,415.14 = 699,350.19/x - Step 3: Cross multiply
1,205,853.26x = 1,806,415.14 × 699,350.19 - Step 4: Simplify right side
1,205,853.26x = 1,263,316,771,377.88 - Step 5: Solve for x
x = 1,263,316,771,377.88/1,205,853.26 - Step 6: Final answer
x = 1,047,653.82
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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.