Home / 442,913.40-664,370.10-123,064.65

Finding the Fourth Proportional to 442,913.40, 664,370.10 and 123,064.65

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Solution

The fourth proportional to 442,913.40, 664,370.10 and 123,064.65 is: 184,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,913.40 : 664,370.10 = 123,064.65 : x
  2. Step 2: Convert to fraction form
    442,913.40/664,370.10 = 123,064.65/x
  3. Step 3: Cross multiply
    442,913.40x = 664,370.10 × 123,064.65
  4. Step 4: Simplify right side
    442,913.40x = 81,760,473,826.97
  5. Step 5: Solve for x
    x = 81,760,473,826.97/442,913.40
  6. Step 6: Final answer
    x = 184,596.98

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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.