Home / 751,543.44-1,037,126.10-407,378.04

Finding the Fourth Proportional to 751,543.44, 1,037,126.10 and 407,378.04

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Solution

The fourth proportional to 751,543.44, 1,037,126.10 and 407,378.04 is: 562,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,543.44 : 1,037,126.10 = 407,378.04 : x
  2. Step 2: Convert to fraction form
    751,543.44/1,037,126.10 = 407,378.04/x
  3. Step 3: Cross multiply
    751,543.44x = 1,037,126.10 × 407,378.04
  4. Step 4: Simplify right side
    751,543.44x = 422,502,397,850.84
  5. Step 5: Solve for x
    x = 422,502,397,850.84/751,543.44
  6. Step 6: Final answer
    x = 562,179.61

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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.