Finding the Fourth Proportional to 1,597,248.16, 2,204,139.36 and 872,126.40
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Solution
The fourth proportional to 1,597,248.16, 2,204,139.36 and 872,126.40 is: 1,203,499.98
Step by Step Solution
- Step 1: Write the proportion equation
1,597,248.16 : 2,204,139.36 = 872,126.40 : x - Step 2: Convert to fraction form
1,597,248.16/2,204,139.36 = 872,126.40/x - Step 3: Cross multiply
1,597,248.16x = 2,204,139.36 × 872,126.40 - Step 4: Simplify right side
1,597,248.16x = 1,922,288,125,135.10 - Step 5: Solve for x
x = 1,922,288,125,135.10/1,597,248.16 - Step 6: Final answer
x = 1,203,499.98
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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.