Home / 393,923.30-543,606.77-240,950.25

Finding the Fourth Proportional to 393,923.30, 543,606.77 and 240,950.25

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Solution

The fourth proportional to 393,923.30, 543,606.77 and 240,950.25 is: 332,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,923.30 : 543,606.77 = 240,950.25 : x
  2. Step 2: Convert to fraction form
    393,923.30/543,606.77 = 240,950.25/x
  3. Step 3: Cross multiply
    393,923.30x = 543,606.77 × 240,950.25
  4. Step 4: Simplify right side
    393,923.30x = 130,982,189,971.32
  5. Step 5: Solve for x
    x = 130,982,189,971.32/393,923.30
  6. Step 6: Final answer
    x = 332,506.83

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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.