Home / 682,488.92-941,839.76-376,576.66

Finding the Fourth Proportional to 682,488.92, 941,839.76 and 376,576.66

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Solution

The fourth proportional to 682,488.92, 941,839.76 and 376,576.66 is: 519,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,488.92 : 941,839.76 = 376,576.66 : x
  2. Step 2: Convert to fraction form
    682,488.92/941,839.76 = 376,576.66/x
  3. Step 3: Cross multiply
    682,488.92x = 941,839.76 × 376,576.66
  4. Step 4: Simplify right side
    682,488.92x = 354,674,872,135.62
  5. Step 5: Solve for x
    x = 354,674,872,135.62/682,488.92
  6. Step 6: Final answer
    x = 519,678.58

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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.