Finding the Fourth Proportional to 1,106,806.13, 1,527,223.91 and 623,340.62
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Solution
The fourth proportional to 1,106,806.13, 1,527,223.91 and 623,340.62 is: 860,115.13
Step by Step Solution
- Step 1: Write the proportion equation
1,106,806.13 : 1,527,223.91 = 623,340.62 : x - Step 2: Convert to fraction form
1,106,806.13/1,527,223.91 = 623,340.62/x - Step 3: Cross multiply
1,106,806.13x = 1,527,223.91 × 623,340.62 - Step 4: Simplify right side
1,106,806.13x = 951,980,698,938.22 - Step 5: Solve for x
x = 951,980,698,938.22/1,106,806.13 - Step 6: Final answer
x = 860,115.13
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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.