Home / 387,026.50-580,576.44-150,387.46

Finding the Fourth Proportional to 387,026.50, 580,576.44 and 150,387.46

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Solution

The fourth proportional to 387,026.50, 580,576.44 and 150,387.46 is: 225,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,026.50 : 580,576.44 = 150,387.46 : x
  2. Step 2: Convert to fraction form
    387,026.50/580,576.44 = 150,387.46/x
  3. Step 3: Cross multiply
    387,026.50x = 580,576.44 × 150,387.46
  4. Step 4: Simplify right side
    387,026.50x = 87,311,416,147.44
  5. Step 5: Solve for x
    x = 87,311,416,147.44/387,026.50
  6. Step 6: Final answer
    x = 225,595.45

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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.