Finding the Fourth Proportional to 1,686,265.92, 2,327,132.16 and 998,332.80
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Solution
The fourth proportional to 1,686,265.92, 2,327,132.16 and 998,332.80 is: 1,377,749.70
Step by Step Solution
- Step 1: Write the proportion equation
1,686,265.92 : 2,327,132.16 = 998,332.80 : x - Step 2: Convert to fraction form
1,686,265.92/2,327,132.16 = 998,332.80/x - Step 3: Cross multiply
1,686,265.92x = 2,327,132.16 × 998,332.80 - Step 4: Simplify right side
1,686,265.92x = 2,323,252,365,262.85 - Step 5: Solve for x
x = 2,323,252,365,262.85/1,686,265.92 - Step 6: Final answer
x = 1,377,749.70
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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.