Finding the Fourth Proportional to 1,919,438.28, 2,879,779.26 and 571,612.08
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Solution
The fourth proportional to 1,919,438.28, 2,879,779.26 and 571,612.08 is: 857,603.31
Step by Step Solution
- Step 1: Write the proportion equation
1,919,438.28 : 2,879,779.26 = 571,612.08 : x - Step 2: Convert to fraction form
1,919,438.28/2,879,779.26 = 571,612.08/x - Step 3: Cross multiply
1,919,438.28x = 2,879,779.26 × 571,612.08 - Step 4: Simplify right side
1,919,438.28x = 1,646,116,612,749.46 - Step 5: Solve for x
x = 1,646,116,612,749.46/1,919,438.28 - Step 6: Final answer
x = 857,603.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.