Home / 689,984.14-952,156.92-384,052.65

Finding the Fourth Proportional to 689,984.14, 952,156.92 and 384,052.65

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Solution

The fourth proportional to 689,984.14, 952,156.92 and 384,052.65 is: 529,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,984.14 : 952,156.92 = 384,052.65 : x
  2. Step 2: Convert to fraction form
    689,984.14/952,156.92 = 384,052.65/x
  3. Step 3: Cross multiply
    689,984.14x = 952,156.92 × 384,052.65
  4. Step 4: Simplify right side
    689,984.14x = 365,678,385,648.94
  5. Step 5: Solve for x
    x = 365,678,385,648.94/689,984.14
  6. Step 6: Final answer
    x = 529,980.86

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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.