Finding the Fourth Proportional to 1,511,616.74, 2,086,031.12 and 832,553.24
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Solution
The fourth proportional to 1,511,616.74, 2,086,031.12 and 832,553.24 is: 1,148,923.48
Step by Step Solution
- Step 1: Write the proportion equation
1,511,616.74 : 2,086,031.12 = 832,553.24 : x - Step 2: Convert to fraction form
1,511,616.74/2,086,031.12 = 832,553.24/x - Step 3: Cross multiply
1,511,616.74x = 2,086,031.12 × 832,553.24 - Step 4: Simplify right side
1,511,616.74x = 1,736,731,968,749.14 - Step 5: Solve for x
x = 1,736,731,968,749.14/1,511,616.74 - Step 6: Final answer
x = 1,148,923.48
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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.