Finding the Fourth Proportional to 1,685,746.08, 2,528,198.19 and 661,284.56
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Solution
The fourth proportional to 1,685,746.08, 2,528,198.19 and 661,284.56 is: 991,761.72
Step by Step Solution
- Step 1: Write the proportion equation
1,685,746.08 : 2,528,198.19 = 661,284.56 : x - Step 2: Convert to fraction form
1,685,746.08/2,528,198.19 = 661,284.56/x - Step 3: Cross multiply
1,685,746.08x = 2,528,198.19 × 661,284.56 - Step 4: Simplify right side
1,685,746.08x = 1,671,858,433,987.44 - Step 5: Solve for x
x = 1,671,858,433,987.44/1,685,746.08 - Step 6: Final answer
x = 991,761.72
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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.