Finding the Fourth Proportional to 935,762.18, 1,291,330.23 and 553,795.34
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Solution
The fourth proportional to 935,762.18, 1,291,330.23 and 553,795.34 is: 764,224.80
Step by Step Solution
- Step 1: Write the proportion equation
935,762.18 : 1,291,330.23 = 553,795.34 : x - Step 2: Convert to fraction form
935,762.18/1,291,330.23 = 553,795.34/x - Step 3: Cross multiply
935,762.18x = 1,291,330.23 × 553,795.34 - Step 4: Simplify right side
935,762.18x = 715,132,663,775.13 - Step 5: Solve for x
x = 715,132,663,775.13/935,762.18 - Step 6: Final answer
x = 764,224.80
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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.