Home / 411,390.72-567,771.75-230,112.72

Finding the Fourth Proportional to 411,390.72, 567,771.75 and 230,112.72

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Solution

The fourth proportional to 411,390.72, 567,771.75 and 230,112.72 is: 317,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,390.72 : 567,771.75 = 230,112.72 : x
  2. Step 2: Convert to fraction form
    411,390.72/567,771.75 = 230,112.72/x
  3. Step 3: Cross multiply
    411,390.72x = 567,771.75 × 230,112.72
  4. Step 4: Simplify right side
    411,390.72x = 130,651,501,731.66
  5. Step 5: Solve for x
    x = 130,651,501,731.66/411,390.72
  6. Step 6: Final answer
    x = 317,584.95

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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.