Finding the Fourth Proportional to 1,271,776.99, 1,755,051.84 and 698,854.07
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Solution
The fourth proportional to 1,271,776.99, 1,755,051.84 and 698,854.07 is: 964,418.39
Step by Step Solution
- Step 1: Write the proportion equation
1,271,776.99 : 1,755,051.84 = 698,854.07 : x - Step 2: Convert to fraction form
1,271,776.99/1,755,051.84 = 698,854.07/x - Step 3: Cross multiply
1,271,776.99x = 1,755,051.84 × 698,854.07 - Step 4: Simplify right side
1,271,776.99x = 1,226,525,112,669.73 - Step 5: Solve for x
x = 1,226,525,112,669.73/1,271,776.99 - Step 6: Final answer
x = 964,418.39
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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.