Finding the Fourth Proportional to 1,589,993.60, 2,194,240.32 and 864,894.08
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Solution
The fourth proportional to 1,589,993.60, 2,194,240.32 and 864,894.08 is: 1,193,580.57
Step by Step Solution
- Step 1: Write the proportion equation
1,589,993.60 : 2,194,240.32 = 864,894.08 : x - Step 2: Convert to fraction form
1,589,993.60/2,194,240.32 = 864,894.08/x - Step 3: Cross multiply
1,589,993.60x = 2,194,240.32 × 864,894.08 - Step 4: Simplify right side
1,589,993.60x = 1,897,785,462,865.31 - Step 5: Solve for x
x = 1,897,785,462,865.31/1,589,993.60 - Step 6: Final answer
x = 1,193,580.57
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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.