Finding the Fourth Proportional to 1,556,317.53, 2,334,717.68 and 657,763.07
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Solution
The fourth proportional to 1,556,317.53, 2,334,717.68 and 657,763.07 is: 986,746.61
Step by Step Solution
- Step 1: Write the proportion equation
1,556,317.53 : 2,334,717.68 = 657,763.07 : x - Step 2: Convert to fraction form
1,556,317.53/2,334,717.68 = 657,763.07/x - Step 3: Cross multiply
1,556,317.53x = 2,334,717.68 × 657,763.07 - Step 4: Simplify right side
1,556,317.53x = 1,535,691,053,817.67 - Step 5: Solve for x
x = 1,535,691,053,817.67/1,556,317.53 - Step 6: Final answer
x = 986,746.61
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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.