Home / 437,414.28-603,644.40-256,109.24

Finding the Fourth Proportional to 437,414.28, 603,644.40 and 256,109.24

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Solution

The fourth proportional to 437,414.28, 603,644.40 and 256,109.24 is: 353,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,414.28 : 603,644.40 = 256,109.24 : x
  2. Step 2: Convert to fraction form
    437,414.28/603,644.40 = 256,109.24/x
  3. Step 3: Cross multiply
    437,414.28x = 603,644.40 × 256,109.24
  4. Step 4: Simplify right side
    437,414.28x = 154,598,910,023.37
  5. Step 5: Solve for x
    x = 154,598,910,023.37/437,414.28
  6. Step 6: Final answer
    x = 353,438.19

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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.