Home / 738,709.82-1,108,064.58-177,744.32

Finding the Fourth Proportional to 738,709.82, 1,108,064.58 and 177,744.32

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Solution

The fourth proportional to 738,709.82, 1,108,064.58 and 177,744.32 is: 266,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,709.82 : 1,108,064.58 = 177,744.32 : x
  2. Step 2: Convert to fraction form
    738,709.82/1,108,064.58 = 177,744.32/x
  3. Step 3: Cross multiply
    738,709.82x = 1,108,064.58 × 177,744.32
  4. Step 4: Simplify right side
    738,709.82x = 196,952,179,747.86
  5. Step 5: Solve for x
    x = 196,952,179,747.86/738,709.82
  6. Step 6: Final answer
    x = 266,616.44

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Double scale
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Similar ratio
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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.