Home / 1,004,987.40-1,507,481.10-934,128.60

Finding the Fourth Proportional to 1,004,987.40, 1,507,481.10 and 934,128.60

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Solution

The fourth proportional to 1,004,987.40, 1,507,481.10 and 934,128.60 is: 1,401,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,987.40 : 1,507,481.10 = 934,128.60 : x
  2. Step 2: Convert to fraction form
    1,004,987.40/1,507,481.10 = 934,128.60/x
  3. Step 3: Cross multiply
    1,004,987.40x = 1,507,481.10 × 934,128.60
  4. Step 4: Simplify right side
    1,004,987.40x = 1,408,181,209,469.46
  5. Step 5: Solve for x
    x = 1,408,181,209,469.46/1,004,987.40
  6. Step 6: Final answer
    x = 1,401,192.90

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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.