Home / 751,382.37-1,036,904.99-407,226.65

Finding the Fourth Proportional to 751,382.37, 1,036,904.99 and 407,226.65

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Solution

The fourth proportional to 751,382.37, 1,036,904.99 and 407,226.65 is: 561,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,382.37 : 1,036,904.99 = 407,226.65 : x
  2. Step 2: Convert to fraction form
    751,382.37/1,036,904.99 = 407,226.65/x
  3. Step 3: Cross multiply
    751,382.37x = 1,036,904.99 × 407,226.65
  4. Step 4: Simplify right side
    751,382.37x = 422,255,338,225.33
  5. Step 5: Solve for x
    x = 422,255,338,225.33/751,382.37
  6. Step 6: Final answer
    x = 561,971.31

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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.