Finding the Fourth Proportional to 1,398,652.18, 1,930,137.24 and 786,805.41
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Solution
The fourth proportional to 1,398,652.18, 1,930,137.24 and 786,805.41 is: 1,085,789.91
Step by Step Solution
- Step 1: Write the proportion equation
1,398,652.18 : 1,930,137.24 = 786,805.41 : x - Step 2: Convert to fraction form
1,398,652.18/1,930,137.24 = 786,805.41/x - Step 3: Cross multiply
1,398,652.18x = 1,930,137.24 × 786,805.41 - Step 4: Simplify right side
1,398,652.18x = 1,518,642,428,237.22 - Step 5: Solve for x
x = 1,518,642,428,237.22/1,398,652.18 - Step 6: Final answer
x = 1,085,789.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.