Home / 468,890.12-647,067.48-254,036

Finding the Fourth Proportional to 468,890.12, 647,067.48 and 254,036

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Solution

The fourth proportional to 468,890.12, 647,067.48 and 254,036 is: 350,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,890.12 : 647,067.48 = 254,036 : x
  2. Step 2: Convert to fraction form
    468,890.12/647,067.48 = 254,036/x
  3. Step 3: Cross multiply
    468,890.12x = 647,067.48 × 254,036
  4. Step 4: Simplify right side
    468,890.12x = 164,378,434,349.28
  5. Step 5: Solve for x
    x = 164,378,434,349.28/468,890.12
  6. Step 6: Final answer
    x = 350,569.20

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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.