Finding the Fourth Proportional to 1,127,900.99, 1,556,515.44 and 611,655.86
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Solution
The fourth proportional to 1,127,900.99, 1,556,515.44 and 611,655.86 is: 844,091.64
Step by Step Solution
- Step 1: Write the proportion equation
1,127,900.99 : 1,556,515.44 = 611,655.86 : x - Step 2: Convert to fraction form
1,127,900.99/1,556,515.44 = 611,655.86/x - Step 3: Cross multiply
1,127,900.99x = 1,556,515.44 × 611,655.86 - Step 4: Simplify right side
1,127,900.99x = 952,051,793,947.77 - Step 5: Solve for x
x = 952,051,793,947.77/1,127,900.99 - Step 6: Final answer
x = 844,091.64
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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.