Home / 440,550.43-660,826.16-120,705.02

Finding the Fourth Proportional to 440,550.43, 660,826.16 and 120,705.02

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Solution

The fourth proportional to 440,550.43, 660,826.16 and 120,705.02 is: 181,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,550.43 : 660,826.16 = 120,705.02 : x
  2. Step 2: Convert to fraction form
    440,550.43/660,826.16 = 120,705.02/x
  3. Step 3: Cross multiply
    440,550.43x = 660,826.16 × 120,705.02
  4. Step 4: Simplify right side
    440,550.43x = 79,765,034,561.38
  5. Step 5: Solve for x
    x = 79,765,034,561.38/440,550.43
  6. Step 6: Final answer
    x = 181,057.67

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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.