Finding the Fourth Proportional to 1,919,245.48, 2,878,877.62 and 782,019
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Solution
The fourth proportional to 1,919,245.48, 2,878,877.62 and 782,019 is: 1,173,032.33
Step by Step Solution
- Step 1: Write the proportion equation
1,919,245.48 : 2,878,877.62 = 782,019 : x - Step 2: Convert to fraction form
1,919,245.48/2,878,877.62 = 782,019/x - Step 3: Cross multiply
1,919,245.48x = 2,878,877.62 × 782,019 - Step 4: Simplify right side
1,919,245.48x = 2,251,336,997,514.78 - Step 5: Solve for x
x = 2,251,336,997,514.78/1,919,245.48 - Step 6: Final answer
x = 1,173,032.33
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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.