Finding the Fourth Proportional to 1,364,215.74, 1,882,750.80 and 1,019,452.98
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Solution
The fourth proportional to 1,364,215.74, 1,882,750.80 and 1,019,452.98 is: 1,406,944.56
Step by Step Solution
- Step 1: Write the proportion equation
1,364,215.74 : 1,882,750.80 = 1,019,452.98 : x - Step 2: Convert to fraction form
1,364,215.74/1,882,750.80 = 1,019,452.98/x - Step 3: Cross multiply
1,364,215.74x = 1,882,750.80 × 1,019,452.98 - Step 4: Simplify right side
1,364,215.74x = 1,919,375,913,657.38 - Step 5: Solve for x
x = 1,919,375,913,657.38/1,364,215.74 - Step 6: Final answer
x = 1,406,944.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.