Home / 456,741.54-685,063.04-119,815.96

Finding the Fourth Proportional to 456,741.54, 685,063.04 and 119,815.96

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Solution

The fourth proportional to 456,741.54, 685,063.04 and 119,815.96 is: 179,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,741.54 : 685,063.04 = 119,815.96 : x
  2. Step 2: Convert to fraction form
    456,741.54/685,063.04 = 119,815.96/x
  3. Step 3: Cross multiply
    456,741.54x = 685,063.04 × 119,815.96
  4. Step 4: Simplify right side
    456,741.54x = 82,081,485,798.12
  5. Step 5: Solve for x
    x = 82,081,485,798.12/456,741.54
  6. Step 6: Final answer
    x = 179,711.02

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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.