Finding the Fourth Proportional to 1,512,685.63, 2,087,506.55 and 824,357.68
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Solution
The fourth proportional to 1,512,685.63, 2,087,506.55 and 824,357.68 is: 1,137,613.81
Step by Step Solution
- Step 1: Write the proportion equation
1,512,685.63 : 2,087,506.55 = 824,357.68 : x - Step 2: Convert to fraction form
1,512,685.63/2,087,506.55 = 824,357.68/x - Step 3: Cross multiply
1,512,685.63x = 2,087,506.55 × 824,357.68 - Step 4: Simplify right side
1,512,685.63x = 1,720,852,056,542.80 - Step 5: Solve for x
x = 1,720,852,056,542.80/1,512,685.63 - Step 6: Final answer
x = 1,137,613.81
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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.