Home / 499,845.36-749,782.34-196,226.89

Finding the Fourth Proportional to 499,845.36, 749,782.34 and 196,226.89

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Solution

The fourth proportional to 499,845.36, 749,782.34 and 196,226.89 is: 294,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,845.36 : 749,782.34 = 196,226.89 : x
  2. Step 2: Convert to fraction form
    499,845.36/749,782.34 = 196,226.89/x
  3. Step 3: Cross multiply
    499,845.36x = 749,782.34 × 196,226.89
  4. Step 4: Simplify right side
    499,845.36x = 147,127,454,635.38
  5. Step 5: Solve for x
    x = 147,127,454,635.38/499,845.36
  6. Step 6: Final answer
    x = 294,345.94

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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.