Home / 1,028,500.11-1,419,290.94-563,346.60

Finding the Fourth Proportional to 1,028,500.11, 1,419,290.94 and 563,346.60

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Solution

The fourth proportional to 1,028,500.11, 1,419,290.94 and 563,346.60 is: 777,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,500.11 : 1,419,290.94 = 563,346.60 : x
  2. Step 2: Convert to fraction form
    1,028,500.11/1,419,290.94 = 563,346.60/x
  3. Step 3: Cross multiply
    1,028,500.11x = 1,419,290.94 × 563,346.60
  4. Step 4: Simplify right side
    1,028,500.11x = 799,552,725,459.80
  5. Step 5: Solve for x
    x = 799,552,725,459.80/1,028,500.11
  6. Step 6: Final answer
    x = 777,396.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.