Home / 746,375.80-1,029,998.56-406,844.04

Finding the Fourth Proportional to 746,375.80, 1,029,998.56 and 406,844.04

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Solution

The fourth proportional to 746,375.80, 1,029,998.56 and 406,844.04 is: 561,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,375.80 : 1,029,998.56 = 406,844.04 : x
  2. Step 2: Convert to fraction form
    746,375.80/1,029,998.56 = 406,844.04/x
  3. Step 3: Cross multiply
    746,375.80x = 1,029,998.56 × 406,844.04
  4. Step 4: Simplify right side
    746,375.80x = 419,048,775,344.58
  5. Step 5: Solve for x
    x = 419,048,775,344.58/746,375.80
  6. Step 6: Final answer
    x = 561,444.75

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1.5x scale

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.