Home / 424,056.20-636,375.90-174,738.20

Finding the Fourth Proportional to 424,056.20, 636,375.90 and 174,738.20

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Solution

The fourth proportional to 424,056.20, 636,375.90 and 174,738.20 is: 262,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,056.20 : 636,375.90 = 174,738.20 : x
  2. Step 2: Convert to fraction form
    424,056.20/636,375.90 = 174,738.20/x
  3. Step 3: Cross multiply
    424,056.20x = 636,375.90 × 174,738.20
  4. Step 4: Simplify right side
    424,056.20x = 111,199,179,289.38
  5. Step 5: Solve for x
    x = 111,199,179,289.38/424,056.20
  6. Step 6: Final answer
    x = 262,227.46

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1.5x scale

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.