Home / 751,904.19-1,127,837.54-219,429.83

Finding the Fourth Proportional to 751,904.19, 1,127,837.54 and 219,429.83

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Solution

The fourth proportional to 751,904.19, 1,127,837.54 and 219,429.83 is: 329,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,904.19 : 1,127,837.54 = 219,429.83 : x
  2. Step 2: Convert to fraction form
    751,904.19/1,127,837.54 = 219,429.83/x
  3. Step 3: Cross multiply
    751,904.19x = 1,127,837.54 × 219,429.83
  4. Step 4: Simplify right side
    751,904.19x = 247,481,203,037.99
  5. Step 5: Solve for x
    x = 247,481,203,037.99/751,904.19
  6. Step 6: Final answer
    x = 329,139.28

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1.5x scale

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.