Home / 470,520.45-649,322.18-255,660.52

Finding the Fourth Proportional to 470,520.45, 649,322.18 and 255,660.52

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Solution

The fourth proportional to 470,520.45, 649,322.18 and 255,660.52 is: 352,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,520.45 : 649,322.18 = 255,660.52 : x
  2. Step 2: Convert to fraction form
    470,520.45/649,322.18 = 255,660.52/x
  3. Step 3: Cross multiply
    470,520.45x = 649,322.18 × 255,660.52
  4. Step 4: Simplify right side
    470,520.45x = 166,006,046,186.33
  5. Step 5: Solve for x
    x = 166,006,046,186.33/470,520.45
  6. Step 6: Final answer
    x = 352,813.67

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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.