Home / 440,230.40-660,564.30-173,999.60

Finding the Fourth Proportional to 440,230.40, 660,564.30 and 173,999.60

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Solution

The fourth proportional to 440,230.40, 660,564.30 and 173,999.60 is: 261,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,230.40 : 660,564.30 = 173,999.60 : x
  2. Step 2: Convert to fraction form
    440,230.40/660,564.30 = 173,999.60/x
  3. Step 3: Cross multiply
    440,230.40x = 660,564.30 × 173,999.60
  4. Step 4: Simplify right side
    440,230.40x = 114,937,923,974.28
  5. Step 5: Solve for x
    x = 114,937,923,974.28/440,230.40
  6. Step 6: Final answer
    x = 261,085.84

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1.5x scale

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.