Finding the Fourth Proportional to 1,589,775.12, 2,193,868.26 and 864,607.23
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Solution
The fourth proportional to 1,589,775.12, 2,193,868.26 and 864,607.23 is: 1,193,146.34
Step by Step Solution
- Step 1: Write the proportion equation
1,589,775.12 : 2,193,868.26 = 864,607.23 : x - Step 2: Convert to fraction form
1,589,775.12/2,193,868.26 = 864,607.23/x - Step 3: Cross multiply
1,589,775.12x = 2,193,868.26 × 864,607.23 - Step 4: Simplify right side
1,589,775.12x = 1,896,834,359,263.52 - Step 5: Solve for x
x = 1,896,834,359,263.52/1,589,775.12 - Step 6: Final answer
x = 1,193,146.34
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1.5x scale
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.