Finding the Fourth Proportional to 1,125,885.07, 1,553,721.99 and 609,639.20
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Solution
The fourth proportional to 1,125,885.07, 1,553,721.99 and 609,639.20 is: 841,302.42
Step by Step Solution
- Step 1: Write the proportion equation
1,125,885.07 : 1,553,721.99 = 609,639.20 : x - Step 2: Convert to fraction form
1,125,885.07/1,553,721.99 = 609,639.20/x - Step 3: Cross multiply
1,125,885.07x = 1,553,721.99 × 609,639.20 - Step 4: Simplify right side
1,125,885.07x = 947,209,827,164.73 - Step 5: Solve for x
x = 947,209,827,164.73/1,125,885.07 - Step 6: Final answer
x = 841,302.42
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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.