Finding the Fourth Proportional to 1,272,539.67, 1,756,138.28 and 699,594.27
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Solution
The fourth proportional to 1,272,539.67, 1,756,138.28 and 699,594.27 is: 965,458.53
Step by Step Solution
- Step 1: Write the proportion equation
1,272,539.67 : 1,756,138.28 = 699,594.27 : x - Step 2: Convert to fraction form
1,272,539.67/1,756,138.28 = 699,594.27/x - Step 3: Cross multiply
1,272,539.67x = 1,756,138.28 × 699,594.27 - Step 4: Simplify right side
1,272,539.67x = 1,228,584,274,517.68 - Step 5: Solve for x
x = 1,228,584,274,517.68/1,272,539.67 - Step 6: Final answer
x = 965,458.53
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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.