Finding the Fourth Proportional to 1,101,209.99, 1,519,524.35 and 617,756.63
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Solution
The fourth proportional to 1,101,209.99, 1,519,524.35 and 617,756.63 is: 852,422.56
Step by Step Solution
- Step 1: Write the proportion equation
1,101,209.99 : 1,519,524.35 = 617,756.63 : x - Step 2: Convert to fraction form
1,101,209.99/1,519,524.35 = 617,756.63/x - Step 3: Cross multiply
1,101,209.99x = 1,519,524.35 × 617,756.63 - Step 4: Simplify right side
1,101,209.99x = 938,696,238,570.16 - Step 5: Solve for x
x = 938,696,238,570.16/1,101,209.99 - Step 6: Final answer
x = 852,422.56
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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.