Finding the Fourth Proportional to 1,132,194.14, 1,698,235.70 and 422,166.66
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Solution
The fourth proportional to 1,132,194.14, 1,698,235.70 and 422,166.66 is: 633,229.29
Step by Step Solution
- Step 1: Write the proportion equation
1,132,194.14 : 1,698,235.70 = 422,166.66 : x - Step 2: Convert to fraction form
1,132,194.14/1,698,235.70 = 422,166.66/x - Step 3: Cross multiply
1,132,194.14x = 1,698,235.70 × 422,166.66 - Step 4: Simplify right side
1,132,194.14x = 716,938,493,361.76 - Step 5: Solve for x
x = 716,938,493,361.76/1,132,194.14 - Step 6: Final answer
x = 633,229.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.