Finding the Fourth Proportional to 1,085,931.87, 1,498,626.09 and 656,129.04
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Solution
The fourth proportional to 1,085,931.87, 1,498,626.09 and 656,129.04 is: 905,482.31
Step by Step Solution
- Step 1: Write the proportion equation
1,085,931.87 : 1,498,626.09 = 656,129.04 : x - Step 2: Convert to fraction form
1,085,931.87/1,498,626.09 = 656,129.04/x - Step 3: Cross multiply
1,085,931.87x = 1,498,626.09 × 656,129.04 - Step 4: Simplify right side
1,085,931.87x = 983,292,097,750.65 - Step 5: Solve for x
x = 983,292,097,750.65/1,085,931.87 - Step 6: Final answer
x = 905,482.31
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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.