Finding the Fourth Proportional to 1,035,453.11, 1,428,911.67 and 570,298.05
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Solution
The fourth proportional to 1,035,453.11, 1,428,911.67 and 570,298.05 is: 787,003.81
Step by Step Solution
- Step 1: Write the proportion equation
1,035,453.11 : 1,428,911.67 = 570,298.05 : x - Step 2: Convert to fraction form
1,035,453.11/1,428,911.67 = 570,298.05/x - Step 3: Cross multiply
1,035,453.11x = 1,428,911.67 × 570,298.05 - Step 4: Simplify right side
1,035,453.11x = 814,905,539,023.24 - Step 5: Solve for x
x = 814,905,539,023.24/1,035,453.11 - Step 6: Final answer
x = 787,003.81
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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.