Finding the Fourth Proportional to 1,127,977.67, 1,556,598.58 and 611,742.96
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Solution
The fourth proportional to 1,127,977.67, 1,556,598.58 and 611,742.96 is: 844,199.53
Step by Step Solution
- Step 1: Write the proportion equation
1,127,977.67 : 1,556,598.58 = 611,742.96 : x - Step 2: Convert to fraction form
1,127,977.67/1,556,598.58 = 611,742.96/x - Step 3: Cross multiply
1,127,977.67x = 1,556,598.58 × 611,742.96 - Step 4: Simplify right side
1,127,977.67x = 952,238,221,331.64 - Step 5: Solve for x
x = 952,238,221,331.64/1,127,977.67 - Step 6: Final answer
x = 844,199.53
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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.