Finding the Fourth Proportional to 1,051,567.70, 1,577,351.55 and 293,407.70
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Solution
The fourth proportional to 1,051,567.70, 1,577,351.55 and 293,407.70 is: 440,111.55
Step by Step Solution
- Step 1: Write the proportion equation
1,051,567.70 : 1,577,351.55 = 293,407.70 : x - Step 2: Convert to fraction form
1,051,567.70/1,577,351.55 = 293,407.70/x - Step 3: Cross multiply
1,051,567.70x = 1,577,351.55 × 293,407.70 - Step 4: Simplify right side
1,051,567.70x = 462,807,090,376.94 - Step 5: Solve for x
x = 462,807,090,376.94/1,051,567.70 - Step 6: Final answer
x = 440,111.55
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Similar ratio
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1.5x scale
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.