Home / 415,934.56-623,945.58-135,473.68

Finding the Fourth Proportional to 415,934.56, 623,945.58 and 135,473.68

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Solution

The fourth proportional to 415,934.56, 623,945.58 and 135,473.68 is: 203,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,934.56 : 623,945.58 = 135,473.68 : x
  2. Step 2: Convert to fraction form
    415,934.56/623,945.58 = 135,473.68/x
  3. Step 3: Cross multiply
    415,934.56x = 623,945.58 × 135,473.68
  4. Step 4: Simplify right side
    415,934.56x = 84,528,203,842.33
  5. Step 5: Solve for x
    x = 84,528,203,842.33/415,934.56
  6. Step 6: Final answer
    x = 203,224.77

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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.