Finding the Fourth Proportional to 1,519,128.66, 2,096,655.35 and 874,921.84
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Solution
The fourth proportional to 1,519,128.66, 2,096,655.35 and 874,921.84 is: 1,207,540.62
Step by Step Solution
- Step 1: Write the proportion equation
1,519,128.66 : 2,096,655.35 = 874,921.84 : x - Step 2: Convert to fraction form
1,519,128.66/2,096,655.35 = 874,921.84/x - Step 3: Cross multiply
1,519,128.66x = 2,096,655.35 × 874,921.84 - Step 4: Simplify right side
1,519,128.66x = 1,834,409,556,667.84 - Step 5: Solve for x
x = 1,834,409,556,667.84/1,519,128.66 - Step 6: Final answer
x = 1,207,540.62
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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.