Home / 526,544.20-789,816.30-194,249.80

Finding the Fourth Proportional to 526,544.20, 789,816.30 and 194,249.80

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Solution

The fourth proportional to 526,544.20, 789,816.30 and 194,249.80 is: 291,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,544.20 : 789,816.30 = 194,249.80 : x
  2. Step 2: Convert to fraction form
    526,544.20/789,816.30 = 194,249.80/x
  3. Step 3: Cross multiply
    526,544.20x = 789,816.30 × 194,249.80
  4. Step 4: Simplify right side
    526,544.20x = 153,421,658,311.74
  5. Step 5: Solve for x
    x = 153,421,658,311.74/526,544.20
  6. Step 6: Final answer
    x = 291,374.70

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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.