Home / 626,285.64-939,571.74-271,358.76

Finding the Fourth Proportional to 626,285.64, 939,571.74 and 271,358.76

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Solution

The fourth proportional to 626,285.64, 939,571.74 and 271,358.76 is: 407,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,285.64 : 939,571.74 = 271,358.76 : x
  2. Step 2: Convert to fraction form
    626,285.64/939,571.74 = 271,358.76/x
  3. Step 3: Cross multiply
    626,285.64x = 939,571.74 × 271,358.76
  4. Step 4: Simplify right side
    626,285.64x = 254,961,022,297.44
  5. Step 5: Solve for x
    x = 254,961,022,297.44/626,285.64
  6. Step 6: Final answer
    x = 407,100.22

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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.