Finding the Fourth Proportional to 1,144,406.64, 1,579,207.68 and 714,661.14
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Solution
The fourth proportional to 1,144,406.64, 1,579,207.68 and 714,661.14 is: 986,186.48
Step by Step Solution
- Step 1: Write the proportion equation
1,144,406.64 : 1,579,207.68 = 714,661.14 : x - Step 2: Convert to fraction form
1,144,406.64/1,579,207.68 = 714,661.14/x - Step 3: Cross multiply
1,144,406.64x = 1,579,207.68 × 714,661.14 - Step 4: Simplify right side
1,144,406.64x = 1,128,598,360,885.56 - Step 5: Solve for x
x = 1,128,598,360,885.56/1,144,406.64 - Step 6: Final answer
x = 986,186.48
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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.