Finding the Fourth Proportional to 1,207,554.09, 1,666,428.29 and 663,745.61
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Solution
The fourth proportional to 1,207,554.09, 1,666,428.29 and 663,745.61 is: 915,970.95
Step by Step Solution
- Step 1: Write the proportion equation
1,207,554.09 : 1,666,428.29 = 663,745.61 : x - Step 2: Convert to fraction form
1,207,554.09/1,666,428.29 = 663,745.61/x - Step 3: Cross multiply
1,207,554.09x = 1,666,428.29 × 663,745.61 - Step 4: Simplify right side
1,207,554.09x = 1,106,084,461,867.31 - Step 5: Solve for x
x = 1,106,084,461,867.31/1,207,554.09 - Step 6: Final answer
x = 915,970.95
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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.