Home / 1,040,090.20-1,558,968.90-534,455.80

Finding the Fourth Proportional to 1,040,090.20, 1,558,968.90 and 534,455.80

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Solution

The fourth proportional to 1,040,090.20, 1,558,968.90 and 534,455.80 is: 801,084.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,090.20 : 1,558,968.90 = 534,455.80 : x
  2. Step 2: Convert to fraction form
    1,040,090.20/1,558,968.90 = 534,455.80/x
  3. Step 3: Cross multiply
    1,040,090.20x = 1,558,968.90 × 534,455.80
  4. Step 4: Simplify right side
    1,040,090.20x = 833,199,970,624.62
  5. Step 5: Solve for x
    x = 833,199,970,624.62/1,040,090.20
  6. Step 6: Final answer
    x = 801,084.34

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Double scale
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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.