Home / 694,469.58-1,046,909.56-648,176.09

Finding the Fourth Proportional to 694,469.58, 1,046,909.56 and 648,176.09

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Solution

The fourth proportional to 694,469.58, 1,046,909.56 and 648,176.09 is: 977,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,469.58 : 1,046,909.56 = 648,176.09 : x
  2. Step 2: Convert to fraction form
    694,469.58/1,046,909.56 = 648,176.09/x
  3. Step 3: Cross multiply
    694,469.58x = 1,046,909.56 × 648,176.09
  4. Step 4: Simplify right side
    694,469.58x = 678,581,736,708.99
  5. Step 5: Solve for x
    x = 678,581,736,708.99/694,469.58
  6. Step 6: Final answer
    x = 977,122.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.