Finding the Fourth Proportional to 1,512,291.60, 2,087,000.64 and 833,227.92
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Solution
The fourth proportional to 1,512,291.60, 2,087,000.64 and 833,227.92 is: 1,149,875.59
Step by Step Solution
- Step 1: Write the proportion equation
1,512,291.60 : 2,087,000.64 = 833,227.92 : x - Step 2: Convert to fraction form
1,512,291.60/2,087,000.64 = 833,227.92/x - Step 3: Cross multiply
1,512,291.60x = 2,087,000.64 × 833,227.92 - Step 4: Simplify right side
1,512,291.60x = 1,738,947,202,305.87 - Step 5: Solve for x
x = 1,738,947,202,305.87/1,512,291.60 - Step 6: Final answer
x = 1,149,875.59
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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.