Home / 456,826.30-685,050.82-172,468.46

Finding the Fourth Proportional to 456,826.30, 685,050.82 and 172,468.46

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Solution

The fourth proportional to 456,826.30, 685,050.82 and 172,468.46 is: 258,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,826.30 : 685,050.82 = 172,468.46 : x
  2. Step 2: Convert to fraction form
    456,826.30/685,050.82 = 172,468.46/x
  3. Step 3: Cross multiply
    456,826.30x = 685,050.82 × 172,468.46
  4. Step 4: Simplify right side
    456,826.30x = 118,149,659,947.14
  5. Step 5: Solve for x
    x = 118,149,659,947.14/456,826.30
  6. Step 6: Final answer
    x = 258,631.48

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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.