Home / 501,716.36-692,370.38-272,273.60

Finding the Fourth Proportional to 501,716.36, 692,370.38 and 272,273.60

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Solution

The fourth proportional to 501,716.36, 692,370.38 and 272,273.60 is: 375,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,716.36 : 692,370.38 = 272,273.60 : x
  2. Step 2: Convert to fraction form
    501,716.36/692,370.38 = 272,273.60/x
  3. Step 3: Cross multiply
    501,716.36x = 692,370.38 × 272,273.60
  4. Step 4: Simplify right side
    501,716.36x = 188,514,178,307.58
  5. Step 5: Solve for x
    x = 188,514,178,307.58/501,716.36
  6. Step 6: Final answer
    x = 375,738.55

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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.