Finding the Fourth Proportional to 1,156,687.17, 1,596,228.11 and 647,389.53
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Solution
The fourth proportional to 1,156,687.17, 1,596,228.11 and 647,389.53 is: 893,397.45
Step by Step Solution
- Step 1: Write the proportion equation
1,156,687.17 : 1,596,228.11 = 647,389.53 : x - Step 2: Convert to fraction form
1,156,687.17/1,596,228.11 = 647,389.53/x - Step 3: Cross multiply
1,156,687.17x = 1,596,228.11 × 647,389.53 - Step 4: Simplify right side
1,156,687.17x = 1,033,381,362,668.74 - Step 5: Solve for x
x = 1,033,381,362,668.74/1,156,687.17 - Step 6: Final answer
x = 893,397.45
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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.