Home / 816,010.60-1,224,015.90-255,101.80

Finding the Fourth Proportional to 816,010.60, 1,224,015.90 and 255,101.80

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Solution

The fourth proportional to 816,010.60, 1,224,015.90 and 255,101.80 is: 382,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,010.60 : 1,224,015.90 = 255,101.80 : x
  2. Step 2: Convert to fraction form
    816,010.60/1,224,015.90 = 255,101.80/x
  3. Step 3: Cross multiply
    816,010.60x = 1,224,015.90 × 255,101.80
  4. Step 4: Simplify right side
    816,010.60x = 312,248,659,318.62
  5. Step 5: Solve for x
    x = 312,248,659,318.62/816,010.60
  6. Step 6: Final answer
    x = 382,652.70

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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.