Home / 428,136.99-590,842.38-237,168.15

Finding the Fourth Proportional to 428,136.99, 590,842.38 and 237,168.15

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Solution

The fourth proportional to 428,136.99, 590,842.38 and 237,168.15 is: 327,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,136.99 : 590,842.38 = 237,168.15 : x
  2. Step 2: Convert to fraction form
    428,136.99/590,842.38 = 237,168.15/x
  3. Step 3: Cross multiply
    428,136.99x = 590,842.38 × 237,168.15
  4. Step 4: Simplify right side
    428,136.99x = 140,128,994,206.20
  5. Step 5: Solve for x
    x = 140,128,994,206.20/428,136.99
  6. Step 6: Final answer
    x = 327,299.43

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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.