Finding the Fourth Proportional to 1,041,439.00, 1,436,557.40 and 687,821.99
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Solution
The fourth proportional to 1,041,439.00, 1,436,557.40 and 687,821.99 is: 948,779.30
Step by Step Solution
- Step 1: Write the proportion equation
1,041,439.00 : 1,436,557.40 = 687,821.99 : x - Step 2: Convert to fraction form
1,041,439.00/1,436,557.40 = 687,821.99/x - Step 3: Cross multiply
1,041,439.00x = 1,436,557.40 × 687,821.99 - Step 4: Simplify right side
1,041,439.00x = 988,095,769,381.17 - Step 5: Solve for x
x = 988,095,769,381.17/1,041,439.00 - Step 6: Final answer
x = 948,779.30
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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.