Finding the Fourth Proportional to 1,928,160.79, 2,891,658.87 and 579,965.49
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Solution
The fourth proportional to 1,928,160.79, 2,891,658.87 and 579,965.49 is: 869,773.08
Step by Step Solution
- Step 1: Write the proportion equation
1,928,160.79 : 2,891,658.87 = 579,965.49 : x - Step 2: Convert to fraction form
1,928,160.79/2,891,658.87 = 579,965.49/x - Step 3: Cross multiply
1,928,160.79x = 2,891,658.87 × 579,965.49 - Step 4: Simplify right side
1,928,160.79x = 1,677,062,353,452.40 - Step 5: Solve for x
x = 1,677,062,353,452.40/1,928,160.79 - Step 6: Final answer
x = 869,773.08
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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.