Home / 397,815.82-596,778.77-127,951.62

Finding the Fourth Proportional to 397,815.82, 596,778.77 and 127,951.62

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Solution

The fourth proportional to 397,815.82, 596,778.77 and 127,951.62 is: 191,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,815.82 : 596,778.77 = 127,951.62 : x
  2. Step 2: Convert to fraction form
    397,815.82/596,778.77 = 127,951.62/x
  3. Step 3: Cross multiply
    397,815.82x = 596,778.77 × 127,951.62
  4. Step 4: Simplify right side
    397,815.82x = 76,358,810,403.11
  5. Step 5: Solve for x
    x = 76,358,810,403.11/397,815.82
  6. Step 6: Final answer
    x = 191,945.13

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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.