Home / 470,493.38-649,286.76-255,637.04

Finding the Fourth Proportional to 470,493.38, 649,286.76 and 255,637.04

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Solution

The fourth proportional to 470,493.38, 649,286.76 and 255,637.04 is: 352,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,493.38 : 649,286.76 = 255,637.04 : x
  2. Step 2: Convert to fraction form
    470,493.38/649,286.76 = 255,637.04/x
  3. Step 3: Cross multiply
    470,493.38x = 649,286.76 × 255,637.04
  4. Step 4: Simplify right side
    470,493.38x = 165,981,745,437.59
  5. Step 5: Solve for x
    x = 165,981,745,437.59/470,493.38
  6. Step 6: Final answer
    x = 352,782.32

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1.5x scale

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.