Finding the Fourth Proportional to 1,132,964.79, 1,563,526.62 and 616,753.05
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Solution
The fourth proportional to 1,132,964.79, 1,563,526.62 and 616,753.05 is: 851,138.38
Step by Step Solution
- Step 1: Write the proportion equation
1,132,964.79 : 1,563,526.62 = 616,753.05 : x - Step 2: Convert to fraction form
1,132,964.79/1,563,526.62 = 616,753.05/x - Step 3: Cross multiply
1,132,964.79x = 1,563,526.62 × 616,753.05 - Step 4: Simplify right side
1,132,964.79x = 964,309,811,641.19 - Step 5: Solve for x
x = 964,309,811,641.19/1,132,964.79 - Step 6: Final answer
x = 851,138.38
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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.