Finding the Fourth Proportional to 1,928,454.53, 2,660,350.08 and 1,153,929.39
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Solution
The fourth proportional to 1,928,454.53, 2,660,350.08 and 1,153,929.39 is: 1,591,873.75
Step by Step Solution
- Step 1: Write the proportion equation
1,928,454.53 : 2,660,350.08 = 1,153,929.39 : x - Step 2: Convert to fraction form
1,928,454.53/2,660,350.08 = 1,153,929.39/x - Step 3: Cross multiply
1,928,454.53x = 2,660,350.08 × 1,153,929.39 - Step 4: Simplify right side
1,928,454.53x = 3,069,856,147,825.39 - Step 5: Solve for x
x = 3,069,856,147,825.39/1,928,454.53 - Step 6: Final answer
x = 1,591,873.75
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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.