Finding the Fourth Proportional to 1,906,085.97, 2,858,494.63 and 768,554.37
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Solution
The fourth proportional to 1,906,085.97, 2,858,494.63 and 768,554.37 is: 1,152,575.79
Step by Step Solution
- Step 1: Write the proportion equation
1,906,085.97 : 2,858,494.63 = 768,554.37 : x - Step 2: Convert to fraction form
1,906,085.97/2,858,494.63 = 768,554.37/x - Step 3: Cross multiply
1,906,085.97x = 2,858,494.63 × 768,554.37 - Step 4: Simplify right side
1,906,085.97x = 2,196,908,539,508.03 - Step 5: Solve for x
x = 2,196,908,539,508.03/1,906,085.97 - Step 6: Final answer
x = 1,152,575.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.