Home / 437,983.56-655,788.17-227,178.63

Finding the Fourth Proportional to 437,983.56, 655,788.17 and 227,178.63

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Solution

The fourth proportional to 437,983.56, 655,788.17 and 227,178.63 is: 340,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,983.56 : 655,788.17 = 227,178.63 : x
  2. Step 2: Convert to fraction form
    437,983.56/655,788.17 = 227,178.63/x
  3. Step 3: Cross multiply
    437,983.56x = 655,788.17 × 227,178.63
  4. Step 4: Simplify right side
    437,983.56x = 148,981,058,598.75
  5. Step 5: Solve for x
    x = 148,981,058,598.75/437,983.56
  6. Step 6: Final answer
    x = 340,152.17

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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.