Home / 603,635.04-905,845.68-229,661.28

Finding the Fourth Proportional to 603,635.04, 905,845.68 and 229,661.28

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Solution

The fourth proportional to 603,635.04, 905,845.68 and 229,661.28 is: 344,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,635.04 : 905,845.68 = 229,661.28 : x
  2. Step 2: Convert to fraction form
    603,635.04/905,845.68 = 229,661.28/x
  3. Step 3: Cross multiply
    603,635.04x = 905,845.68 × 229,661.28
  4. Step 4: Simplify right side
    603,635.04x = 208,037,678,351.27
  5. Step 5: Solve for x
    x = 208,037,678,351.27/603,635.04
  6. Step 6: Final answer
    x = 344,641.49

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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.