Home / 619,952.16-929,921.76-199,228.44

Finding the Fourth Proportional to 619,952.16, 929,921.76 and 199,228.44

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Solution

The fourth proportional to 619,952.16, 929,921.76 and 199,228.44 is: 298,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,952.16 : 929,921.76 = 199,228.44 : x
  2. Step 2: Convert to fraction form
    619,952.16/929,921.76 = 199,228.44/x
  3. Step 3: Cross multiply
    619,952.16x = 929,921.76 × 199,228.44
  4. Step 4: Simplify right side
    619,952.16x = 185,266,861,566.85
  5. Step 5: Solve for x
    x = 185,266,861,566.85/619,952.16
  6. Step 6: Final answer
    x = 298,840.58

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Double scale
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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.