Finding the Fourth Proportional to 1,431,316.01, 1,975,221.11 and 786,792.17
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Solution
The fourth proportional to 1,431,316.01, 1,975,221.11 and 786,792.17 is: 1,085,775.95
Step by Step Solution
- Step 1: Write the proportion equation
1,431,316.01 : 1,975,221.11 = 786,792.17 : x - Step 2: Convert to fraction form
1,431,316.01/1,975,221.11 = 786,792.17/x - Step 3: Cross multiply
1,431,316.01x = 1,975,221.11 × 786,792.17 - Step 4: Simplify right side
1,431,316.01x = 1,554,088,503,366.71 - Step 5: Solve for x
x = 1,554,088,503,366.71/1,431,316.01 - Step 6: Final answer
x = 1,085,775.95
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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.