Finding the Fourth Proportional to 1,272,413.95, 1,755,936.93 and 699,491.03
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Solution
The fourth proportional to 1,272,413.95, 1,755,936.93 and 699,491.03 is: 965,300.74
Step by Step Solution
- Step 1: Write the proportion equation
1,272,413.95 : 1,755,936.93 = 699,491.03 : x - Step 2: Convert to fraction form
1,272,413.95/1,755,936.93 = 699,491.03/x - Step 3: Cross multiply
1,272,413.95x = 1,755,936.93 × 699,491.03 - Step 4: Simplify right side
1,272,413.95x = 1,228,262,125,624.14 - Step 5: Solve for x
x = 1,228,262,125,624.14/1,272,413.95 - Step 6: Final answer
x = 965,300.74
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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.