Home / 449,230.28-619,933.09-245,280.57

Finding the Fourth Proportional to 449,230.28, 619,933.09 and 245,280.57

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Solution

The fourth proportional to 449,230.28, 619,933.09 and 245,280.57 is: 338,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,230.28 : 619,933.09 = 245,280.57 : x
  2. Step 2: Convert to fraction form
    449,230.28/619,933.09 = 245,280.57/x
  3. Step 3: Cross multiply
    449,230.28x = 619,933.09 × 245,280.57
  4. Step 4: Simplify right side
    449,230.28x = 152,057,542,686.14
  5. Step 5: Solve for x
    x = 152,057,542,686.14/449,230.28
  6. Step 6: Final answer
    x = 338,484.62

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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.