Home / 415,923.15-573,834.38-339,309.81

Finding the Fourth Proportional to 415,923.15, 573,834.38 and 339,309.81

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Solution

The fourth proportional to 415,923.15, 573,834.38 and 339,309.81 is: 468,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,923.15 : 573,834.38 = 339,309.81 : x
  2. Step 2: Convert to fraction form
    415,923.15/573,834.38 = 339,309.81/x
  3. Step 3: Cross multiply
    415,923.15x = 573,834.38 × 339,309.81
  4. Step 4: Simplify right side
    415,923.15x = 194,707,632,752.72
  5. Step 5: Solve for x
    x = 194,707,632,752.72/415,923.15
  6. Step 6: Final answer
    x = 468,133.67

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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.