Home / 1,228,867.80-1,843,560.90-518,530.20

Finding the Fourth Proportional to 1,228,867.80, 1,843,560.90 and 518,530.20

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Solution

The fourth proportional to 1,228,867.80, 1,843,560.90 and 518,530.20 is: 777,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,867.80 : 1,843,560.90 = 518,530.20 : x
  2. Step 2: Convert to fraction form
    1,228,867.80/1,843,560.90 = 518,530.20/x
  3. Step 3: Cross multiply
    1,228,867.80x = 1,843,560.90 × 518,530.20
  4. Step 4: Simplify right side
    1,228,867.80x = 955,942,002,189.18
  5. Step 5: Solve for x
    x = 955,942,002,189.18/1,228,867.80
  6. Step 6: Final answer
    x = 777,904.67

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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.