Finding the Fourth Proportional to 1,663,853.70, 2,495,772.45 and 652,260.90
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Solution
The fourth proportional to 1,663,853.70, 2,495,772.45 and 652,260.90 is: 978,388.17
Step by Step Solution
- Step 1: Write the proportion equation
1,663,853.70 : 2,495,772.45 = 652,260.90 : x - Step 2: Convert to fraction form
1,663,853.70/2,495,772.45 = 652,260.90/x - Step 3: Cross multiply
1,663,853.70x = 2,495,772.45 × 652,260.90 - Step 4: Simplify right side
1,663,853.70x = 1,627,894,784,432.21 - Step 5: Solve for x
x = 1,627,894,784,432.21/1,663,853.70 - Step 6: Final answer
x = 978,388.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.