Finding the Fourth Proportional to 1,183,220.14, 1,632,973.53 and 686,613.43
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Solution
The fourth proportional to 1,183,220.14, 1,632,973.53 and 686,613.43 is: 947,601.82
Step by Step Solution
- Step 1: Write the proportion equation
1,183,220.14 : 1,632,973.53 = 686,613.43 : x - Step 2: Convert to fraction form
1,183,220.14/1,632,973.53 = 686,613.43/x - Step 3: Cross multiply
1,183,220.14x = 1,632,973.53 × 686,613.43 - Step 4: Simplify right side
1,183,220.14x = 1,121,221,556,532.51 - Step 5: Solve for x
x = 1,121,221,556,532.51/1,183,220.14 - Step 6: Final answer
x = 947,601.82
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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.