Home / 440,622.72-660,560.40-174,571.20

Finding the Fourth Proportional to 440,622.72, 660,560.40 and 174,571.20

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Solution

The fourth proportional to 440,622.72, 660,560.40 and 174,571.20 is: 261,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,622.72 : 660,560.40 = 174,571.20 : x
  2. Step 2: Convert to fraction form
    440,622.72/660,560.40 = 174,571.20/x
  3. Step 3: Cross multiply
    440,622.72x = 660,560.40 × 174,571.20
  4. Step 4: Simplify right side
    440,622.72x = 115,314,821,700.48
  5. Step 5: Solve for x
    x = 115,314,821,700.48/440,622.72
  6. Step 6: Final answer
    x = 261,708.75

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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.