Home / 672,123.80-1,008,185.70-598,640.60

Finding the Fourth Proportional to 672,123.80, 1,008,185.70 and 598,640.60

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Solution

The fourth proportional to 672,123.80, 1,008,185.70 and 598,640.60 is: 897,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,123.80 : 1,008,185.70 = 598,640.60 : x
  2. Step 2: Convert to fraction form
    672,123.80/1,008,185.70 = 598,640.60/x
  3. Step 3: Cross multiply
    672,123.80x = 1,008,185.70 × 598,640.60
  4. Step 4: Simplify right side
    672,123.80x = 603,540,892,359.42
  5. Step 5: Solve for x
    x = 603,540,892,359.42/672,123.80
  6. Step 6: Final answer
    x = 897,960.90

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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.