Finding the Fourth Proportional to 1,235,455.49, 1,704,964.17 and 691,588.05
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Solution
The fourth proportional to 1,235,455.49, 1,704,964.17 and 691,588.05 is: 954,411.44
Step by Step Solution
- Step 1: Write the proportion equation
1,235,455.49 : 1,704,964.17 = 691,588.05 : x - Step 2: Convert to fraction form
1,235,455.49/1,704,964.17 = 691,588.05/x - Step 3: Cross multiply
1,235,455.49x = 1,704,964.17 × 691,588.05 - Step 4: Simplify right side
1,235,455.49x = 1,179,132,845,650.17 - Step 5: Solve for x
x = 1,179,132,845,650.17/1,235,455.49 - Step 6: Final answer
x = 954,411.44
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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.