Finding the Fourth Proportional to 1,197,216.40, 1,652,158.20 and 653,352.19
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Solution
The fourth proportional to 1,197,216.40, 1,652,158.20 and 653,352.19 is: 901,625.79
Step by Step Solution
- Step 1: Write the proportion equation
1,197,216.40 : 1,652,158.20 = 653,352.19 : x - Step 2: Convert to fraction form
1,197,216.40/1,652,158.20 = 653,352.19/x - Step 3: Cross multiply
1,197,216.40x = 1,652,158.20 × 653,352.19 - Step 4: Simplify right side
1,197,216.40x = 1,079,441,178,196.46 - Step 5: Solve for x
x = 1,079,441,178,196.46/1,197,216.40 - Step 6: Final answer
x = 901,625.79
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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.