Finding the Fourth Proportional to 1,397,745.14, 1,924,128.14 and 1,034,484.44
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Solution
The fourth proportional to 1,397,745.14, 1,924,128.14 and 1,034,484.44 is: 1,424,065.49
Step by Step Solution
- Step 1: Write the proportion equation
1,397,745.14 : 1,924,128.14 = 1,034,484.44 : x - Step 2: Convert to fraction form
1,397,745.14/1,924,128.14 = 1,034,484.44/x - Step 3: Cross multiply
1,397,745.14x = 1,924,128.14 × 1,034,484.44 - Step 4: Simplify right side
1,397,745.14x = 1,990,480,606,603.08 - Step 5: Solve for x
x = 1,990,480,606,603.08/1,397,745.14 - Step 6: Final answer
x = 1,424,065.49
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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.