Home / 697,961.40-1,046,942.10-627,102.60

Finding the Fourth Proportional to 697,961.40, 1,046,942.10 and 627,102.60

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Solution

The fourth proportional to 697,961.40, 1,046,942.10 and 627,102.60 is: 940,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,961.40 : 1,046,942.10 = 627,102.60 : x
  2. Step 2: Convert to fraction form
    697,961.40/1,046,942.10 = 627,102.60/x
  3. Step 3: Cross multiply
    697,961.40x = 1,046,942.10 × 627,102.60
  4. Step 4: Simplify right side
    697,961.40x = 656,540,112,959.46
  5. Step 5: Solve for x
    x = 656,540,112,959.46/697,961.40
  6. Step 6: Final answer
    x = 940,653.90

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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.