Finding the Fourth Proportional to 1,191,322.17, 1,644,037.30 and 647,457.99
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Solution
The fourth proportional to 1,191,322.17, 1,644,037.30 and 647,457.99 is: 893,498.93
Step by Step Solution
- Step 1: Write the proportion equation
1,191,322.17 : 1,644,037.30 = 647,457.99 : x - Step 2: Convert to fraction form
1,191,322.17/1,644,037.30 = 647,457.99/x - Step 3: Cross multiply
1,191,322.17x = 1,644,037.30 × 647,457.99 - Step 4: Simplify right side
1,191,322.17x = 1,064,445,085,743.03 - Step 5: Solve for x
x = 1,064,445,085,743.03/1,191,322.17 - Step 6: Final answer
x = 893,498.93
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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.