Home / 738,600.75-1,019,327.36-411,960.15

Finding the Fourth Proportional to 738,600.75, 1,019,327.36 and 411,960.15

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Solution

The fourth proportional to 738,600.75, 1,019,327.36 and 411,960.15 is: 568,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,600.75 : 1,019,327.36 = 411,960.15 : x
  2. Step 2: Convert to fraction form
    738,600.75/1,019,327.36 = 411,960.15/x
  3. Step 3: Cross multiply
    738,600.75x = 1,019,327.36 × 411,960.15
  4. Step 4: Simplify right side
    738,600.75x = 419,922,250,064.90
  5. Step 5: Solve for x
    x = 419,922,250,064.90/738,600.75
  6. Step 6: Final answer
    x = 568,537.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.