Home / 579,635.60-869,453.40-180,301.60

Finding the Fourth Proportional to 579,635.60, 869,453.40 and 180,301.60

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Solution

The fourth proportional to 579,635.60, 869,453.40 and 180,301.60 is: 270,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,635.60 : 869,453.40 = 180,301.60 : x
  2. Step 2: Convert to fraction form
    579,635.60/869,453.40 = 180,301.60/x
  3. Step 3: Cross multiply
    579,635.60x = 869,453.40 × 180,301.60
  4. Step 4: Simplify right side
    579,635.60x = 156,763,839,145.44
  5. Step 5: Solve for x
    x = 156,763,839,145.44/579,635.60
  6. Step 6: Final answer
    x = 270,452.40

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Half scale
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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.