Finding the Fourth Proportional to 1,661,432.11, 2,292,778.38 and 897,485.68
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Solution
The fourth proportional to 1,661,432.11, 2,292,778.38 and 897,485.68 is: 1,238,531.36
Step by Step Solution
- Step 1: Write the proportion equation
1,661,432.11 : 2,292,778.38 = 897,485.68 : x - Step 2: Convert to fraction form
1,661,432.11/2,292,778.38 = 897,485.68/x - Step 3: Cross multiply
1,661,432.11x = 2,292,778.38 × 897,485.68 - Step 4: Simplify right side
1,661,432.11x = 2,057,735,763,463.60 - Step 5: Solve for x
x = 2,057,735,763,463.60/1,661,432.11 - Step 6: Final answer
x = 1,238,531.36
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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.