Home / 649,940.77-974,632.33-223,519.51

Finding the Fourth Proportional to 649,940.77, 974,632.33 and 223,519.51

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Solution

The fourth proportional to 649,940.77, 974,632.33 and 223,519.51 is: 335,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,940.77 : 974,632.33 = 223,519.51 : x
  2. Step 2: Convert to fraction form
    649,940.77/974,632.33 = 223,519.51/x
  3. Step 3: Cross multiply
    649,940.77x = 974,632.33 × 223,519.51
  4. Step 4: Simplify right side
    649,940.77x = 217,849,340,831.76
  5. Step 5: Solve for x
    x = 217,849,340,831.76/649,940.77
  6. Step 6: Final answer
    x = 335,183.37

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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.