Home / 694,503.45-1,046,960.61-648,209.97

Finding the Fourth Proportional to 694,503.45, 1,046,960.61 and 648,209.97

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Solution

The fourth proportional to 694,503.45, 1,046,960.61 and 648,209.97 is: 977,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,503.45 : 1,046,960.61 = 648,209.97 : x
  2. Step 2: Convert to fraction form
    694,503.45/1,046,960.61 = 648,209.97/x
  3. Step 3: Cross multiply
    694,503.45x = 1,046,960.61 × 648,209.97
  4. Step 4: Simplify right side
    694,503.45x = 678,650,305,599.28
  5. Step 5: Solve for x
    x = 678,650,305,599.28/694,503.45
  6. Step 6: Final answer
    x = 977,173.41

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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.