Home / 751,042.37-1,036,479.98-428,855.96

Finding the Fourth Proportional to 751,042.37, 1,036,479.98 and 428,855.96

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Solution

The fourth proportional to 751,042.37, 1,036,479.98 and 428,855.96 is: 591,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,042.37 : 1,036,479.98 = 428,855.96 : x
  2. Step 2: Convert to fraction form
    751,042.37/1,036,479.98 = 428,855.96/x
  3. Step 3: Cross multiply
    751,042.37x = 1,036,479.98 × 428,855.96
  4. Step 4: Simplify right side
    751,042.37x = 444,500,616,843.68
  5. Step 5: Solve for x
    x = 444,500,616,843.68/751,042.37
  6. Step 6: Final answer
    x = 591,844.93

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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.