Home / 929,640.16-1,394,460.24-649,704.16

Finding the Fourth Proportional to 929,640.16, 1,394,460.24 and 649,704.16

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Solution

The fourth proportional to 929,640.16, 1,394,460.24 and 649,704.16 is: 974,556.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,640.16 : 1,394,460.24 = 649,704.16 : x
  2. Step 2: Convert to fraction form
    929,640.16/1,394,460.24 = 649,704.16/x
  3. Step 3: Cross multiply
    929,640.16x = 1,394,460.24 × 649,704.16
  4. Step 4: Simplify right side
    929,640.16x = 905,986,618,882.60
  5. Step 5: Solve for x
    x = 905,986,618,882.60/929,640.16
  6. Step 6: Final answer
    x = 974,556.24

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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.