Home / 377,653.91-521,169.05-205,576.83

Finding the Fourth Proportional to 377,653.91, 521,169.05 and 205,576.83

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Solution

The fourth proportional to 377,653.91, 521,169.05 and 205,576.83 is: 283,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,653.91 : 521,169.05 = 205,576.83 : x
  2. Step 2: Convert to fraction form
    377,653.91/521,169.05 = 205,576.83/x
  3. Step 3: Cross multiply
    377,653.91x = 521,169.05 × 205,576.83
  4. Step 4: Simplify right side
    377,653.91x = 107,140,280,165.23
  5. Step 5: Solve for x
    x = 107,140,280,165.23/377,653.91
  6. Step 6: Final answer
    x = 283,699.65

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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.