Home / 496,619.70-744,929.55-122,642.70

Finding the Fourth Proportional to 496,619.70, 744,929.55 and 122,642.70

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Solution

The fourth proportional to 496,619.70, 744,929.55 and 122,642.70 is: 183,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,619.70 : 744,929.55 = 122,642.70 : x
  2. Step 2: Convert to fraction form
    496,619.70/744,929.55 = 122,642.70/x
  3. Step 3: Cross multiply
    496,619.70x = 744,929.55 × 122,642.70
  4. Step 4: Simplify right side
    496,619.70x = 91,360,171,321.79
  5. Step 5: Solve for x
    x = 91,360,171,321.79/496,619.70
  6. Step 6: Final answer
    x = 183,964.05

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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.