Home / 449,225.94-619,933.11-245,278.62

Finding the Fourth Proportional to 449,225.94, 619,933.11 and 245,278.62

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Solution

The fourth proportional to 449,225.94, 619,933.11 and 245,278.62 is: 338,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,225.94 : 619,933.11 = 245,278.62 : x
  2. Step 2: Convert to fraction form
    449,225.94/619,933.11 = 245,278.62/x
  3. Step 3: Cross multiply
    449,225.94x = 619,933.11 × 245,278.62
  4. Step 4: Simplify right side
    449,225.94x = 152,056,337,713.11
  5. Step 5: Solve for x
    x = 152,056,337,713.11/449,225.94
  6. Step 6: Final answer
    x = 338,485.21

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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.