Home / 958,992.76-1,438,678.64-351,786.71

Finding the Fourth Proportional to 958,992.76, 1,438,678.64 and 351,786.71

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Solution

The fourth proportional to 958,992.76, 1,438,678.64 and 351,786.71 is: 527,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,992.76 : 1,438,678.64 = 351,786.71 : x
  2. Step 2: Convert to fraction form
    958,992.76/1,438,678.64 = 351,786.71/x
  3. Step 3: Cross multiply
    958,992.76x = 1,438,678.64 × 351,786.71
  4. Step 4: Simplify right side
    958,992.76x = 506,108,025,512.87
  5. Step 5: Solve for x
    x = 506,108,025,512.87/958,992.76
  6. Step 6: Final answer
    x = 527,749.58

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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.