Finding the Fourth Proportional to 1,726,874.09, 2,590,317.20 and 528,791.14
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Solution
The fourth proportional to 1,726,874.09, 2,590,317.20 and 528,791.14 is: 793,188.57
Step by Step Solution
- Step 1: Write the proportion equation
1,726,874.09 : 2,590,317.20 = 528,791.14 : x - Step 2: Convert to fraction form
1,726,874.09/2,590,317.20 = 528,791.14/x - Step 3: Cross multiply
1,726,874.09x = 2,590,317.20 × 528,791.14 - Step 4: Simplify right side
1,726,874.09x = 1,369,736,785,149.61 - Step 5: Solve for x
x = 1,369,736,785,149.61/1,726,874.09 - Step 6: Final answer
x = 793,188.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.