Finding the Fourth Proportional to 1,101,212.07, 1,519,683.06 and 617,787.65
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Solution
The fourth proportional to 1,101,212.07, 1,519,683.06 and 617,787.65 is: 852,552.79
Step by Step Solution
- Step 1: Write the proportion equation
1,101,212.07 : 1,519,683.06 = 617,787.65 : x - Step 2: Convert to fraction form
1,101,212.07/1,519,683.06 = 617,787.65/x - Step 3: Cross multiply
1,101,212.07x = 1,519,683.06 × 617,787.65 - Step 4: Simplify right side
1,101,212.07x = 938,841,426,382.21 - Step 5: Solve for x
x = 938,841,426,382.21/1,101,212.07 - Step 6: Final answer
x = 852,552.79
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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.