Home / 437,468.90-603,785.37-256,170.25

Finding the Fourth Proportional to 437,468.90, 603,785.37 and 256,170.25

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Solution

The fourth proportional to 437,468.90, 603,785.37 and 256,170.25 is: 353,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,468.90 : 603,785.37 = 256,170.25 : x
  2. Step 2: Convert to fraction form
    437,468.90/603,785.37 = 256,170.25/x
  3. Step 3: Cross multiply
    437,468.90x = 603,785.37 × 256,170.25
  4. Step 4: Simplify right side
    437,468.90x = 154,671,846,160.32
  5. Step 5: Solve for x
    x = 154,671,846,160.32/437,468.90
  6. Step 6: Final answer
    x = 353,560.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.