Home / 669,772.40-1,004,658.60-171,136.40

Finding the Fourth Proportional to 669,772.40, 1,004,658.60 and 171,136.40

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Solution

The fourth proportional to 669,772.40, 1,004,658.60 and 171,136.40 is: 256,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,772.40 : 1,004,658.60 = 171,136.40 : x
  2. Step 2: Convert to fraction form
    669,772.40/1,004,658.60 = 171,136.40/x
  3. Step 3: Cross multiply
    669,772.40x = 1,004,658.60 × 171,136.40
  4. Step 4: Simplify right side
    669,772.40x = 171,933,656,033.04
  5. Step 5: Solve for x
    x = 171,933,656,033.04/669,772.40
  6. Step 6: Final answer
    x = 256,704.60

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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.