Home / 827,079.60-1,241,785.80-512,151.60

Finding the Fourth Proportional to 827,079.60, 1,241,785.80 and 512,151.60

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Solution

The fourth proportional to 827,079.60, 1,241,785.80 and 512,151.60 is: 768,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,079.60 : 1,241,785.80 = 512,151.60 : x
  2. Step 2: Convert to fraction form
    827,079.60/1,241,785.80 = 512,151.60/x
  3. Step 3: Cross multiply
    827,079.60x = 1,241,785.80 × 512,151.60
  4. Step 4: Simplify right side
    827,079.60x = 635,982,584,327.28
  5. Step 5: Solve for x
    x = 635,982,584,327.28/827,079.60
  6. Step 6: Final answer
    x = 768,949.67

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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.