Home / 384,623.24-530,558.10-231,555.11

Finding the Fourth Proportional to 384,623.24, 530,558.10 and 231,555.11

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Solution

The fourth proportional to 384,623.24, 530,558.10 and 231,555.11 is: 319,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,623.24 : 530,558.10 = 231,555.11 : x
  2. Step 2: Convert to fraction form
    384,623.24/530,558.10 = 231,555.11/x
  3. Step 3: Cross multiply
    384,623.24x = 530,558.10 × 231,555.11
  4. Step 4: Simplify right side
    384,623.24x = 122,853,436,554.10
  5. Step 5: Solve for x
    x = 122,853,436,554.10/384,623.24
  6. Step 6: Final answer
    x = 319,412.42

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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.