Finding the Fourth Proportional to 1,586,176.64, 2,188,924.80 and 861,024.08
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Solution
The fourth proportional to 1,586,176.64, 2,188,924.80 and 861,024.08 is: 1,188,213.79
Step by Step Solution
- Step 1: Write the proportion equation
1,586,176.64 : 2,188,924.80 = 861,024.08 : x - Step 2: Convert to fraction form
1,586,176.64/2,188,924.80 = 861,024.08/x - Step 3: Cross multiply
1,586,176.64x = 2,188,924.80 × 861,024.08 - Step 4: Simplify right side
1,586,176.64x = 1,884,716,962,109.18 - Step 5: Solve for x
x = 1,884,716,962,109.18/1,586,176.64 - Step 6: Final answer
x = 1,188,213.79
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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.