Finding the Fourth Proportional to 746,216.08, 1,029,781.68 and 423,943.87
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Solution
The fourth proportional to 746,216.08, 1,029,781.68 and 423,943.87 is: 585,044.52
Step by Step Solution
- Step 1: Write the proportion equation
746,216.08 : 1,029,781.68 = 423,943.87 : x - Step 2: Convert to fraction form
746,216.08/1,029,781.68 = 423,943.87/x - Step 3: Cross multiply
746,216.08x = 1,029,781.68 × 423,943.87 - Step 4: Simplify right side
746,216.08x = 436,569,630,674.30 - Step 5: Solve for x
x = 436,569,630,674.30/746,216.08 - Step 6: Final answer
x = 585,044.52
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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.