Home / 837,592.56-1,256,529.96-388,131.12

Finding the Fourth Proportional to 837,592.56, 1,256,529.96 and 388,131.12

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Solution

The fourth proportional to 837,592.56, 1,256,529.96 and 388,131.12 is: 582,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,592.56 : 1,256,529.96 = 388,131.12 : x
  2. Step 2: Convert to fraction form
    837,592.56/1,256,529.96 = 388,131.12/x
  3. Step 3: Cross multiply
    837,592.56x = 1,256,529.96 × 388,131.12
  4. Step 4: Simplify right side
    837,592.56x = 487,698,380,688.36
  5. Step 5: Solve for x
    x = 487,698,380,688.36/837,592.56
  6. Step 6: Final answer
    x = 582,262.07

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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.