Home / 470,824.23-649,744.83-255,965.12

Finding the Fourth Proportional to 470,824.23, 649,744.83 and 255,965.12

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Solution

The fourth proportional to 470,824.23, 649,744.83 and 255,965.12 is: 353,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,824.23 : 649,744.83 = 255,965.12 : x
  2. Step 2: Convert to fraction form
    470,824.23/649,744.83 = 255,965.12/x
  3. Step 3: Cross multiply
    470,824.23x = 649,744.83 × 255,965.12
  4. Step 4: Simplify right side
    470,824.23x = 166,312,010,131.61
  5. Step 5: Solve for x
    x = 166,312,010,131.61/470,824.23
  6. Step 6: Final answer
    x = 353,235.88

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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.