Finding the Fourth Proportional to 1,173,772.14, 1,619,822.37 and 683,729.07
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Solution
The fourth proportional to 1,173,772.14, 1,619,822.37 and 683,729.07 is: 943,555.91
Step by Step Solution
- Step 1: Write the proportion equation
1,173,772.14 : 1,619,822.37 = 683,729.07 : x - Step 2: Convert to fraction form
1,173,772.14/1,619,822.37 = 683,729.07/x - Step 3: Cross multiply
1,173,772.14x = 1,619,822.37 × 683,729.07 - Step 4: Simplify right side
1,173,772.14x = 1,107,519,642,605.30 - Step 5: Solve for x
x = 1,107,519,642,605.30/1,173,772.14 - Step 6: Final answer
x = 943,555.91
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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.