Home / 496,945.22-685,785.57-270,605.30

Finding the Fourth Proportional to 496,945.22, 685,785.57 and 270,605.30

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Solution

The fourth proportional to 496,945.22, 685,785.57 and 270,605.30 is: 373,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,945.22 : 685,785.57 = 270,605.30 : x
  2. Step 2: Convert to fraction form
    496,945.22/685,785.57 = 270,605.30/x
  3. Step 3: Cross multiply
    496,945.22x = 685,785.57 × 270,605.30
  4. Step 4: Simplify right side
    496,945.22x = 185,577,209,905.52
  5. Step 5: Solve for x
    x = 185,577,209,905.52/496,945.22
  6. Step 6: Final answer
    x = 373,435.95

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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.