Home / 457,024.60-685,536.90-448,276.60

Finding the Fourth Proportional to 457,024.60, 685,536.90 and 448,276.60

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Solution

The fourth proportional to 457,024.60, 685,536.90 and 448,276.60 is: 672,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,024.60 : 685,536.90 = 448,276.60 : x
  2. Step 2: Convert to fraction form
    457,024.60/685,536.90 = 448,276.60/x
  3. Step 3: Cross multiply
    457,024.60x = 685,536.90 × 448,276.60
  4. Step 4: Simplify right side
    457,024.60x = 307,310,150,706.54
  5. Step 5: Solve for x
    x = 307,310,150,706.54/457,024.60
  6. Step 6: Final answer
    x = 672,414.90

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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.