Home / 434,144.40-598,789.78-380,336.01

Finding the Fourth Proportional to 434,144.40, 598,789.78 and 380,336.01

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Solution

The fourth proportional to 434,144.40, 598,789.78 and 380,336.01 is: 524,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,144.40 : 598,789.78 = 380,336.01 : x
  2. Step 2: Convert to fraction form
    434,144.40/598,789.78 = 380,336.01/x
  3. Step 3: Cross multiply
    434,144.40x = 598,789.78 × 380,336.01
  4. Step 4: Simplify right side
    434,144.40x = 227,741,315,753.98
  5. Step 5: Solve for x
    x = 227,741,315,753.98/434,144.40
  6. Step 6: Final answer
    x = 524,575.04

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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.