Finding the Fourth Proportional to 805,778.20, 1,207,355.10 and 593,201.80
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Solution
The fourth proportional to 805,778.20, 1,207,355.10 and 593,201.80 is: 888,836.68
Step by Step Solution
- Step 1: Write the proportion equation
805,778.20 : 1,207,355.10 = 593,201.80 : x - Step 2: Convert to fraction form
805,778.20/1,207,355.10 = 593,201.80/x - Step 3: Cross multiply
805,778.20x = 1,207,355.10 × 593,201.80 - Step 4: Simplify right side
805,778.20x = 716,205,218,559.18 - Step 5: Solve for x
x = 716,205,218,559.18/805,778.20 - Step 6: Final answer
x = 888,836.68
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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.