Finding the Fourth Proportional to 909,155.13, 1,254,781.85 and 546,945
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Solution
The fourth proportional to 909,155.13, 1,254,781.85 and 546,945 is: 754,873.00
Step by Step Solution
- Step 1: Write the proportion equation
909,155.13 : 1,254,781.85 = 546,945 : x - Step 2: Convert to fraction form
909,155.13/1,254,781.85 = 546,945/x - Step 3: Cross multiply
909,155.13x = 1,254,781.85 × 546,945 - Step 4: Simplify right side
909,155.13x = 686,296,656,213.53 - Step 5: Solve for x
x = 686,296,656,213.53/909,155.13 - Step 6: Final answer
x = 754,873.00
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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.