Home / 613,129.76-919,733.52-192,422.24

Finding the Fourth Proportional to 613,129.76, 919,733.52 and 192,422.24

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Solution

The fourth proportional to 613,129.76, 919,733.52 and 192,422.24 is: 288,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,129.76 : 919,733.52 = 192,422.24 : x
  2. Step 2: Convert to fraction form
    613,129.76/919,733.52 = 192,422.24/x
  3. Step 3: Cross multiply
    613,129.76x = 919,733.52 × 192,422.24
  4. Step 4: Simplify right side
    613,129.76x = 176,977,184,121.49
  5. Step 5: Solve for x
    x = 176,977,184,121.49/613,129.76
  6. Step 6: Final answer
    x = 288,645.56

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1.5x scale

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.