Finding the Fourth Proportional to 1,943,603.28, 2,915,430.84 and 681,467.76
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Solution
The fourth proportional to 1,943,603.28, 2,915,430.84 and 681,467.76 is: 1,022,210.73
Step by Step Solution
- Step 1: Write the proportion equation
1,943,603.28 : 2,915,430.84 = 681,467.76 : x - Step 2: Convert to fraction form
1,943,603.28/2,915,430.84 = 681,467.76/x - Step 3: Cross multiply
1,943,603.28x = 2,915,430.84 × 681,467.76 - Step 4: Simplify right side
1,943,603.28x = 1,986,772,123,969.72 - Step 5: Solve for x
x = 1,986,772,123,969.72/1,943,603.28 - Step 6: Final answer
x = 1,022,210.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.