Finding the Fourth Proportional to 1,185,070.10, 1,635,385.07 and 641,193.95
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Solution
The fourth proportional to 1,185,070.10, 1,635,385.07 and 641,193.95 is: 884,841.35
Step by Step Solution
- Step 1: Write the proportion equation
1,185,070.10 : 1,635,385.07 = 641,193.95 : x - Step 2: Convert to fraction form
1,185,070.10/1,635,385.07 = 641,193.95/x - Step 3: Cross multiply
1,185,070.10x = 1,635,385.07 × 641,193.95 - Step 4: Simplify right side
1,185,070.10x = 1,048,599,018,495.77 - Step 5: Solve for x
x = 1,048,599,018,495.77/1,185,070.10 - Step 6: Final answer
x = 884,841.35
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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.