Finding the Fourth Proportional to 1,172,633.19, 1,618,261.19 and 656,374.24
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Solution
The fourth proportional to 1,172,633.19, 1,618,261.19 and 656,374.24 is: 905,811.78
Step by Step Solution
- Step 1: Write the proportion equation
1,172,633.19 : 1,618,261.19 = 656,374.24 : x - Step 2: Convert to fraction form
1,172,633.19/1,618,261.19 = 656,374.24/x - Step 3: Cross multiply
1,172,633.19x = 1,618,261.19 × 656,374.24 - Step 4: Simplify right side
1,172,633.19x = 1,062,184,958,707.75 - Step 5: Solve for x
x = 1,062,184,958,707.75/1,172,633.19 - Step 6: Final answer
x = 905,811.78
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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.