Home / 667,930.74-1,001,798.91-194,488.98

Finding the Fourth Proportional to 667,930.74, 1,001,798.91 and 194,488.98

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Solution

The fourth proportional to 667,930.74, 1,001,798.91 and 194,488.98 is: 291,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,930.74 : 1,001,798.91 = 194,488.98 : x
  2. Step 2: Convert to fraction form
    667,930.74/1,001,798.91 = 194,488.98/x
  3. Step 3: Cross multiply
    667,930.74x = 1,001,798.91 × 194,488.98
  4. Step 4: Simplify right side
    667,930.74x = 194,838,848,171.01
  5. Step 5: Solve for x
    x = 194,838,848,171.01/667,930.74
  6. Step 6: Final answer
    x = 291,705.17

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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.