Home / 923,190.30-1,384,007.85-479,958.30

Finding the Fourth Proportional to 923,190.30, 1,384,007.85 and 479,958.30

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Solution

The fourth proportional to 923,190.30, 1,384,007.85 and 479,958.30 is: 719,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,190.30 : 1,384,007.85 = 479,958.30 : x
  2. Step 2: Convert to fraction form
    923,190.30/1,384,007.85 = 479,958.30/x
  3. Step 3: Cross multiply
    923,190.30x = 1,384,007.85 × 479,958.30
  4. Step 4: Simplify right side
    923,190.30x = 664,266,054,872.66
  5. Step 5: Solve for x
    x = 664,266,054,872.66/923,190.30
  6. Step 6: Final answer
    x = 719,533.18

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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.