Home / 672,093.40-1,008,140.10-483,136.60

Finding the Fourth Proportional to 672,093.40, 1,008,140.10 and 483,136.60

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Solution

The fourth proportional to 672,093.40, 1,008,140.10 and 483,136.60 is: 724,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,093.40 : 1,008,140.10 = 483,136.60 : x
  2. Step 2: Convert to fraction form
    672,093.40/1,008,140.10 = 483,136.60/x
  3. Step 3: Cross multiply
    672,093.40x = 1,008,140.10 × 483,136.60
  4. Step 4: Simplify right side
    672,093.40x = 487,069,380,237.66
  5. Step 5: Solve for x
    x = 487,069,380,237.66/672,093.40
  6. Step 6: Final answer
    x = 724,704.90

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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.