Home / 449,234.88-619,939.41-245,285.16

Finding the Fourth Proportional to 449,234.88, 619,939.41 and 245,285.16

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Solution

The fourth proportional to 449,234.88, 619,939.41 and 245,285.16 is: 338,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,234.88 : 619,939.41 = 245,285.16 : x
  2. Step 2: Convert to fraction form
    449,234.88/619,939.41 = 245,285.16/x
  3. Step 3: Cross multiply
    449,234.88x = 619,939.41 × 245,285.16
  4. Step 4: Simplify right side
    449,234.88x = 152,061,937,372.16
  5. Step 5: Solve for x
    x = 152,061,937,372.16/449,234.88
  6. Step 6: Final answer
    x = 338,490.94

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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.