Finding the Fourth Proportional to 1,543,199.66, 2,129,592.39 and 854,869.40
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Solution
The fourth proportional to 1,543,199.66, 2,129,592.39 and 854,869.40 is: 1,179,706.95
Step by Step Solution
- Step 1: Write the proportion equation
1,543,199.66 : 2,129,592.39 = 854,869.40 : x - Step 2: Convert to fraction form
1,543,199.66/2,129,592.39 = 854,869.40/x - Step 3: Cross multiply
1,543,199.66x = 2,129,592.39 × 854,869.40 - Step 4: Simplify right side
1,543,199.66x = 1,820,523,368,683.87 - Step 5: Solve for x
x = 1,820,523,368,683.87/1,543,199.66 - Step 6: Final answer
x = 1,179,706.95
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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.