Home / 470,553.06-705,771.27-278,541.75

Finding the Fourth Proportional to 470,553.06, 705,771.27 and 278,541.75

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Solution

The fourth proportional to 470,553.06, 705,771.27 and 278,541.75 is: 417,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,553.06 : 705,771.27 = 278,541.75 : x
  2. Step 2: Convert to fraction form
    470,553.06/705,771.27 = 278,541.75/x
  3. Step 3: Cross multiply
    470,553.06x = 705,771.27 × 278,541.75
  4. Step 4: Simplify right side
    470,553.06x = 196,586,764,645.52
  5. Step 5: Solve for x
    x = 196,586,764,645.52/470,553.06
  6. Step 6: Final answer
    x = 417,778.10

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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.