Finding the Fourth Proportional to 1,156,659.13, 1,596,239.49 and 640,413.03
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Solution
The fourth proportional to 1,156,659.13, 1,596,239.49 and 640,413.03 is: 883,797.60
Step by Step Solution
- Step 1: Write the proportion equation
1,156,659.13 : 1,596,239.49 = 640,413.03 : x - Step 2: Convert to fraction form
1,156,659.13/1,596,239.49 = 640,413.03/x - Step 3: Cross multiply
1,156,659.13x = 1,596,239.49 × 640,413.03 - Step 4: Simplify right side
1,156,659.13x = 1,022,252,568,396.55 - Step 5: Solve for x
x = 1,022,252,568,396.55/1,156,659.13 - Step 6: Final answer
x = 883,797.60
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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.