Home / 414,945.60-621,381.60-332,001.60

Finding the Fourth Proportional to 414,945.60, 621,381.60 and 332,001.60

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Solution

The fourth proportional to 414,945.60, 621,381.60 and 332,001.60 is: 497,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,945.60 : 621,381.60 = 332,001.60 : x
  2. Step 2: Convert to fraction form
    414,945.60/621,381.60 = 332,001.60/x
  3. Step 3: Cross multiply
    414,945.60x = 621,381.60 × 332,001.60
  4. Step 4: Simplify right side
    414,945.60x = 206,299,685,410.56
  5. Step 5: Solve for x
    x = 206,299,685,410.56/414,945.60
  6. Step 6: Final answer
    x = 497,172.85

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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.