Home / 346,031.44-518,317.54-219,605.02

Finding the Fourth Proportional to 346,031.44, 518,317.54 and 219,605.02

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Solution

The fourth proportional to 346,031.44, 518,317.54 and 219,605.02 is: 328,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,031.44 : 518,317.54 = 219,605.02 : x
  2. Step 2: Convert to fraction form
    346,031.44/518,317.54 = 219,605.02/x
  3. Step 3: Cross multiply
    346,031.44x = 518,317.54 × 219,605.02
  4. Step 4: Simplify right side
    346,031.44x = 113,825,133,738.05
  5. Step 5: Solve for x
    x = 113,825,133,738.05/346,031.44
  6. Step 6: Final answer
    x = 328,944.48

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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.