Home / 751,863.76-1,128,029.48-246,429.16

Finding the Fourth Proportional to 751,863.76, 1,128,029.48 and 246,429.16

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Solution

The fourth proportional to 751,863.76, 1,128,029.48 and 246,429.16 is: 369,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,863.76 : 1,128,029.48 = 246,429.16 : x
  2. Step 2: Convert to fraction form
    751,863.76/1,128,029.48 = 246,429.16/x
  3. Step 3: Cross multiply
    751,863.76x = 1,128,029.48 × 246,429.16
  4. Step 4: Simplify right side
    751,863.76x = 277,979,357,211.64
  5. Step 5: Solve for x
    x = 277,979,357,211.64/751,863.76
  6. Step 6: Final answer
    x = 369,720.38

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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.