Finding the Fourth Proportional to 1,865,117.80, 2,797,676.70 and 517,277.80
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Solution
The fourth proportional to 1,865,117.80, 2,797,676.70 and 517,277.80 is: 775,916.70
Step by Step Solution
- Step 1: Write the proportion equation
1,865,117.80 : 2,797,676.70 = 517,277.80 : x - Step 2: Convert to fraction form
1,865,117.80/2,797,676.70 = 517,277.80/x - Step 3: Cross multiply
1,865,117.80x = 2,797,676.70 × 517,277.80 - Step 4: Simplify right side
1,865,117.80x = 1,447,176,048,487.26 - Step 5: Solve for x
x = 1,447,176,048,487.26/1,865,117.80 - Step 6: Final answer
x = 775,916.70
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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.