Home / 1,013,556.20-1,520,334.30-539,997.80

Finding the Fourth Proportional to 1,013,556.20, 1,520,334.30 and 539,997.80

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Solution

The fourth proportional to 1,013,556.20, 1,520,334.30 and 539,997.80 is: 809,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,556.20 : 1,520,334.30 = 539,997.80 : x
  2. Step 2: Convert to fraction form
    1,013,556.20/1,520,334.30 = 539,997.80/x
  3. Step 3: Cross multiply
    1,013,556.20x = 1,520,334.30 × 539,997.80
  4. Step 4: Simplify right side
    1,013,556.20x = 820,977,177,264.54
  5. Step 5: Solve for x
    x = 820,977,177,264.54/1,013,556.20
  6. Step 6: Final answer
    x = 809,996.70

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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.