Home / 536,786.33-741,018.76-340,651.40

Finding the Fourth Proportional to 536,786.33, 741,018.76 and 340,651.40

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Solution

The fourth proportional to 536,786.33, 741,018.76 and 340,651.40 is: 470,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,786.33 : 741,018.76 = 340,651.40 : x
  2. Step 2: Convert to fraction form
    536,786.33/741,018.76 = 340,651.40/x
  3. Step 3: Cross multiply
    536,786.33x = 741,018.76 × 340,651.40
  4. Step 4: Simplify right side
    536,786.33x = 252,429,073,463.54
  5. Step 5: Solve for x
    x = 252,429,073,463.54/536,786.33
  6. Step 6: Final answer
    x = 470,259.88

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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.