Home / 801,099.20-1,201,648.80-773,105.60

Finding the Fourth Proportional to 801,099.20, 1,201,648.80 and 773,105.60

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Solution

The fourth proportional to 801,099.20, 1,201,648.80 and 773,105.60 is: 1,159,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,099.20 : 1,201,648.80 = 773,105.60 : x
  2. Step 2: Convert to fraction form
    801,099.20/1,201,648.80 = 773,105.60/x
  3. Step 3: Cross multiply
    801,099.20x = 1,201,648.80 × 773,105.60
  4. Step 4: Simplify right side
    801,099.20x = 929,001,416,513.28
  5. Step 5: Solve for x
    x = 929,001,416,513.28/801,099.20
  6. Step 6: Final answer
    x = 1,159,658.40

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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.