Home / 697,998.76-1,046,986.62-172,686.76

Finding the Fourth Proportional to 697,998.76, 1,046,986.62 and 172,686.76

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Solution

The fourth proportional to 697,998.76, 1,046,986.62 and 172,686.76 is: 259,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,998.76 : 1,046,986.62 = 172,686.76 : x
  2. Step 2: Convert to fraction form
    697,998.76/1,046,986.62 = 172,686.76/x
  3. Step 3: Cross multiply
    697,998.76x = 1,046,986.62 × 172,686.76
  4. Step 4: Simplify right side
    697,998.76x = 180,800,727,171.15
  5. Step 5: Solve for x
    x = 180,800,727,171.15/697,998.76
  6. Step 6: Final answer
    x = 259,027.29

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1.5x scale

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.