Finding the Fourth Proportional to 1,417,911.60, 2,128,422.60 and 886,033.20
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Solution
The fourth proportional to 1,417,911.60, 2,128,422.60 and 886,033.20 is: 1,330,021.62
Step by Step Solution
- Step 1: Write the proportion equation
1,417,911.60 : 2,128,422.60 = 886,033.20 : x - Step 2: Convert to fraction form
1,417,911.60/2,128,422.60 = 886,033.20/x - Step 3: Cross multiply
1,417,911.60x = 2,128,422.60 × 886,033.20 - Step 4: Simplify right side
1,417,911.60x = 1,885,853,087,230.32 - Step 5: Solve for x
x = 1,885,853,087,230.32/1,417,911.60 - Step 6: Final answer
x = 1,330,021.62
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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.