Home / 470,788.11-649,679.94-255,933.54

Finding the Fourth Proportional to 470,788.11, 649,679.94 and 255,933.54

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Solution

The fourth proportional to 470,788.11, 649,679.94 and 255,933.54 is: 353,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,788.11 : 649,679.94 = 255,933.54 : x
  2. Step 2: Convert to fraction form
    470,788.11/649,679.94 = 255,933.54/x
  3. Step 3: Cross multiply
    470,788.11x = 649,679.94 × 255,933.54
  4. Step 4: Simplify right side
    470,788.11x = 166,274,886,911.19
  5. Step 5: Solve for x
    x = 166,274,886,911.19/470,788.11
  6. Step 6: Final answer
    x = 353,184.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.