Finding the Fourth Proportional to 835,774.95, 1,153,337.09 and 453,792.99
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Solution
The fourth proportional to 835,774.95, 1,153,337.09 and 453,792.99 is: 626,216.76
Step by Step Solution
- Step 1: Write the proportion equation
835,774.95 : 1,153,337.09 = 453,792.99 : x - Step 2: Convert to fraction form
835,774.95/1,153,337.09 = 453,792.99/x - Step 3: Cross multiply
835,774.95x = 1,153,337.09 × 453,792.99 - Step 4: Simplify right side
835,774.95x = 523,376,284,280.03 - Step 5: Solve for x
x = 523,376,284,280.03/835,774.95 - Step 6: Final answer
x = 626,216.76
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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.