Finding the Fourth Proportional to 1,107,168.13, 1,527,896.69 and 623,739.07
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Solution
The fourth proportional to 1,107,168.13, 1,527,896.69 and 623,739.07 is: 860,762.55
Step by Step Solution
- Step 1: Write the proportion equation
1,107,168.13 : 1,527,896.69 = 623,739.07 : x - Step 2: Convert to fraction form
1,107,168.13/1,527,896.69 = 623,739.07/x - Step 3: Cross multiply
1,107,168.13x = 1,527,896.69 × 623,739.07 - Step 4: Simplify right side
1,107,168.13x = 953,008,860,476.68 - Step 5: Solve for x
x = 953,008,860,476.68/1,107,168.13 - Step 6: Final answer
x = 860,762.55
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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.