Finding the Fourth Proportional to 740,119.08, 1,021,389.06 and 453,583.80
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Solution
The fourth proportional to 740,119.08, 1,021,389.06 and 453,583.80 is: 625,960.80
Step by Step Solution
- Step 1: Write the proportion equation
740,119.08 : 1,021,389.06 = 453,583.80 : x - Step 2: Convert to fraction form
740,119.08/1,021,389.06 = 453,583.80/x - Step 3: Cross multiply
740,119.08x = 1,021,389.06 × 453,583.80 - Step 4: Simplify right side
740,119.08x = 463,285,531,113.23 - Step 5: Solve for x
x = 463,285,531,113.23/740,119.08 - Step 6: Final answer
x = 625,960.80
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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.