Home / 459,969.20-689,905.26-123,043.85

Finding the Fourth Proportional to 459,969.20, 689,905.26 and 123,043.85

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Solution

The fourth proportional to 459,969.20, 689,905.26 and 123,043.85 is: 184,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,969.20 : 689,905.26 = 123,043.85 : x
  2. Step 2: Convert to fraction form
    459,969.20/689,905.26 = 123,043.85/x
  3. Step 3: Cross multiply
    459,969.20x = 689,905.26 × 123,043.85
  4. Step 4: Simplify right side
    459,969.20x = 84,888,599,325.65
  5. Step 5: Solve for x
    x = 84,888,599,325.65/459,969.20
  6. Step 6: Final answer
    x = 184,552.79

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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.