Finding the Fourth Proportional to 1,205,436.06, 1,663,562.10 and 661,567.08
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Solution
The fourth proportional to 1,205,436.06, 1,663,562.10 and 661,567.08 is: 912,995.68
Step by Step Solution
- Step 1: Write the proportion equation
1,205,436.06 : 1,663,562.10 = 661,567.08 : x - Step 2: Convert to fraction form
1,205,436.06/1,663,562.10 = 661,567.08/x - Step 3: Cross multiply
1,205,436.06x = 1,663,562.10 × 661,567.08 - Step 4: Simplify right side
1,205,436.06x = 1,100,557,920,895.67 - Step 5: Solve for x
x = 1,100,557,920,895.67/1,205,436.06 - Step 6: Final answer
x = 912,995.68
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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.