Finding the Fourth Proportional to 1,576,125.19, 2,175,186.77 and 887,932.18
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Solution
The fourth proportional to 1,576,125.19, 2,175,186.77 and 887,932.18 is: 1,225,421.90
Step by Step Solution
- Step 1: Write the proportion equation
1,576,125.19 : 2,175,186.77 = 887,932.18 : x - Step 2: Convert to fraction form
1,576,125.19/2,175,186.77 = 887,932.18/x - Step 3: Cross multiply
1,576,125.19x = 2,175,186.77 × 887,932.18 - Step 4: Simplify right side
1,576,125.19x = 1,931,418,330,593.26 - Step 5: Solve for x
x = 1,931,418,330,593.26/1,576,125.19 - Step 6: Final answer
x = 1,225,421.90
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1.5x scale
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.