Finding the Fourth Proportional to 1,107,218.29, 1,527,954.27 and 623,938.68
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Solution
The fourth proportional to 1,107,218.29, 1,527,954.27 and 623,938.68 is: 861,031.45
Step by Step Solution
- Step 1: Write the proportion equation
1,107,218.29 : 1,527,954.27 = 623,938.68 : x - Step 2: Convert to fraction form
1,107,218.29/1,527,954.27 = 623,938.68/x - Step 3: Cross multiply
1,107,218.29x = 1,527,954.27 × 623,938.68 - Step 4: Simplify right side
1,107,218.29x = 953,349,770,324.16 - Step 5: Solve for x
x = 953,349,770,324.16/1,107,218.29 - Step 6: Final answer
x = 861,031.45
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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.