Home / 1,325,005.02-1,987,540.20-483,556.50

Finding the Fourth Proportional to 1,325,005.02, 1,987,540.20 and 483,556.50

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Solution

The fourth proportional to 1,325,005.02, 1,987,540.20 and 483,556.50 is: 725,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,005.02 : 1,987,540.20 = 483,556.50 : x
  2. Step 2: Convert to fraction form
    1,325,005.02/1,987,540.20 = 483,556.50/x
  3. Step 3: Cross multiply
    1,325,005.02x = 1,987,540.20 × 483,556.50
  4. Step 4: Simplify right side
    1,325,005.02x = 961,087,982,721.30
  5. Step 5: Solve for x
    x = 961,087,982,721.30/1,325,005.02
  6. Step 6: Final answer
    x = 725,346.67

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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.