Home / 722,143.53-1,082,810.34-494,696.13

Finding the Fourth Proportional to 722,143.53, 1,082,810.34 and 494,696.13

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Solution

The fourth proportional to 722,143.53, 1,082,810.34 and 494,696.13 is: 741,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,143.53 : 1,082,810.34 = 494,696.13 : x
  2. Step 2: Convert to fraction form
    722,143.53/1,082,810.34 = 494,696.13/x
  3. Step 3: Cross multiply
    722,143.53x = 1,082,810.34 × 494,696.13
  4. Step 4: Simplify right side
    722,143.53x = 535,662,084,721.98
  5. Step 5: Solve for x
    x = 535,662,084,721.98/722,143.53
  6. Step 6: Final answer
    x = 741,766.79

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1.5x scale

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.