Finding the Fourth Proportional to 1,585,040.25, 2,187,354.17 and 859,888.00
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Solution
The fourth proportional to 1,585,040.25, 2,187,354.17 and 859,888.00 is: 1,186,644.70
Step by Step Solution
- Step 1: Write the proportion equation
1,585,040.25 : 2,187,354.17 = 859,888.00 : x - Step 2: Convert to fraction form
1,585,040.25/2,187,354.17 = 859,888.00/x - Step 3: Cross multiply
1,585,040.25x = 2,187,354.17 × 859,888.00 - Step 4: Simplify right side
1,585,040.25x = 1,880,879,607,416.87 - Step 5: Solve for x
x = 1,880,879,607,416.87/1,585,040.25 - Step 6: Final answer
x = 1,186,644.70
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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.