Home / 837,450.70-1,256,300.60-388,217.01

Finding the Fourth Proportional to 837,450.70, 1,256,300.60 and 388,217.01

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Solution

The fourth proportional to 837,450.70, 1,256,300.60 and 388,217.01 is: 582,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,450.70 : 1,256,300.60 = 388,217.01 : x
  2. Step 2: Convert to fraction form
    837,450.70/1,256,300.60 = 388,217.01/x
  3. Step 3: Cross multiply
    837,450.70x = 1,256,300.60 × 388,217.01
  4. Step 4: Simplify right side
    837,450.70x = 487,717,262,593.21
  5. Step 5: Solve for x
    x = 487,717,262,593.21/837,450.70
  6. Step 6: Final answer
    x = 582,383.25

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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.