Home / 694,487.74-1,046,936.91-648,194.24

Finding the Fourth Proportional to 694,487.74, 1,046,936.91 and 648,194.24

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Solution

The fourth proportional to 694,487.74, 1,046,936.91 and 648,194.24 is: 977,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,487.74 : 1,046,936.91 = 648,194.24 : x
  2. Step 2: Convert to fraction form
    694,487.74/1,046,936.91 = 648,194.24/x
  3. Step 3: Cross multiply
    694,487.74x = 1,046,936.91 × 648,194.24
  4. Step 4: Simplify right side
    694,487.74x = 678,618,476,282.83
  5. Step 5: Solve for x
    x = 678,618,476,282.83/694,487.74
  6. Step 6: Final answer
    x = 977,149.69

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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.