Home / 411,739.27-616,709.42-171,123.65

Finding the Fourth Proportional to 411,739.27, 616,709.42 and 171,123.65

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Solution

The fourth proportional to 411,739.27, 616,709.42 and 171,123.65 is: 256,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,739.27 : 616,709.42 = 171,123.65 : x
  2. Step 2: Convert to fraction form
    411,739.27/616,709.42 = 171,123.65/x
  3. Step 3: Cross multiply
    411,739.27x = 616,709.42 × 171,123.65
  4. Step 4: Simplify right side
    411,739.27x = 105,533,569,905.27
  5. Step 5: Solve for x
    x = 105,533,569,905.27/411,739.27
  6. Step 6: Final answer
    x = 256,311.64

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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.