Home / 619,935.36-929,814.72-199,156.80

Finding the Fourth Proportional to 619,935.36, 929,814.72 and 199,156.80

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Solution

The fourth proportional to 619,935.36, 929,814.72 and 199,156.80 is: 298,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,935.36 : 929,814.72 = 199,156.80 : x
  2. Step 2: Convert to fraction form
    619,935.36/929,814.72 = 199,156.80/x
  3. Step 3: Cross multiply
    619,935.36x = 929,814.72 × 199,156.80
  4. Step 4: Simplify right side
    619,935.36x = 185,178,924,228.10
  5. Step 5: Solve for x
    x = 185,178,924,228.10/619,935.36
  6. Step 6: Final answer
    x = 298,706.83

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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.