Finding the Fourth Proportional to 1,191,207.68, 1,643,882.61 and 647,354.24
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Solution
The fourth proportional to 1,191,207.68, 1,643,882.61 and 647,354.24 is: 893,357.55
Step by Step Solution
- Step 1: Write the proportion equation
1,191,207.68 : 1,643,882.61 = 647,354.24 : x - Step 2: Convert to fraction form
1,191,207.68/1,643,882.61 = 647,354.24/x - Step 3: Cross multiply
1,191,207.68x = 1,643,882.61 × 647,354.24 - Step 4: Simplify right side
1,191,207.68x = 1,064,174,377,645.77 - Step 5: Solve for x
x = 1,064,174,377,645.77/1,191,207.68 - Step 6: Final answer
x = 893,357.55
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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.