Finding the Fourth Proportional to 1,113,873.12, 1,537,103.79 and 604,564.56
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Solution
The fourth proportional to 1,113,873.12, 1,537,103.79 and 604,564.56 is: 834,276.78
Step by Step Solution
- Step 1: Write the proportion equation
1,113,873.12 : 1,537,103.79 = 604,564.56 : x - Step 2: Convert to fraction form
1,113,873.12/1,537,103.79 = 604,564.56/x - Step 3: Cross multiply
1,113,873.12x = 1,537,103.79 × 604,564.56 - Step 4: Simplify right side
1,113,873.12x = 929,278,476,475.68 - Step 5: Solve for x
x = 929,278,476,475.68/1,113,873.12 - Step 6: Final answer
x = 834,276.78
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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.