Home / 748,704.24-1,033,212.40-409,172.48

Finding the Fourth Proportional to 748,704.24, 1,033,212.40 and 409,172.48

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Solution

The fourth proportional to 748,704.24, 1,033,212.40 and 409,172.48 is: 564,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,704.24 : 1,033,212.40 = 409,172.48 : x
  2. Step 2: Convert to fraction form
    748,704.24/1,033,212.40 = 409,172.48/x
  3. Step 3: Cross multiply
    748,704.24x = 1,033,212.40 × 409,172.48
  4. Step 4: Simplify right side
    748,704.24x = 422,762,080,074.75
  5. Step 5: Solve for x
    x = 422,762,080,074.75/748,704.24
  6. Step 6: Final answer
    x = 564,658.32

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.