Finding the Fourth Proportional to 1,526,583.12, 2,106,722.70 and 838,322.88
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Solution
The fourth proportional to 1,526,583.12, 2,106,722.70 and 838,322.88 is: 1,156,906.44
Step by Step Solution
- Step 1: Write the proportion equation
1,526,583.12 : 2,106,722.70 = 838,322.88 : x - Step 2: Convert to fraction form
1,526,583.12/2,106,722.70 = 838,322.88/x - Step 3: Cross multiply
1,526,583.12x = 2,106,722.70 × 838,322.88 - Step 4: Simplify right side
1,526,583.12x = 1,766,113,841,225.38 - Step 5: Solve for x
x = 1,766,113,841,225.38/1,526,583.12 - Step 6: Final answer
x = 1,156,906.44
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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.