Finding the Fourth Proportional to 1,132,779.84, 1,563,203.52 and 623,471.28
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Solution
The fourth proportional to 1,132,779.84, 1,563,203.52 and 623,471.28 is: 860,372.39
Step by Step Solution
- Step 1: Write the proportion equation
1,132,779.84 : 1,563,203.52 = 623,471.28 : x - Step 2: Convert to fraction form
1,132,779.84/1,563,203.52 = 623,471.28/x - Step 3: Cross multiply
1,132,779.84x = 1,563,203.52 × 623,471.28 - Step 4: Simplify right side
1,132,779.84x = 974,612,499,514.91 - Step 5: Solve for x
x = 974,612,499,514.91/1,132,779.84 - Step 6: Final answer
x = 860,372.39
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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.