Home / 801,321.80-1,201,982.70-533,195.60

Finding the Fourth Proportional to 801,321.80, 1,201,982.70 and 533,195.60

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Solution

The fourth proportional to 801,321.80, 1,201,982.70 and 533,195.60 is: 799,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,321.80 : 1,201,982.70 = 533,195.60 : x
  2. Step 2: Convert to fraction form
    801,321.80/1,201,982.70 = 533,195.60/x
  3. Step 3: Cross multiply
    801,321.80x = 1,201,982.70 × 533,195.60
  4. Step 4: Simplify right side
    801,321.80x = 640,891,886,916.12
  5. Step 5: Solve for x
    x = 640,891,886,916.12/801,321.80
  6. Step 6: Final answer
    x = 799,793.40

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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.