Finding the Fourth Proportional to 814,511.40, 1,221,276.24 and 365,151
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Solution
The fourth proportional to 814,511.40, 1,221,276.24 and 365,151 is: 547,506.44
Step by Step Solution
- Step 1: Write the proportion equation
814,511.40 : 1,221,276.24 = 365,151 : x - Step 2: Convert to fraction form
814,511.40/1,221,276.24 = 365,151/x - Step 3: Cross multiply
814,511.40x = 1,221,276.24 × 365,151 - Step 4: Simplify right side
814,511.40x = 445,950,240,312.24 - Step 5: Solve for x
x = 445,950,240,312.24/814,511.40 - Step 6: Final answer
x = 547,506.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.