Home / 1,270,393.23-1,753,147.41-689,617.50

Finding the Fourth Proportional to 1,270,393.23, 1,753,147.41 and 689,617.50

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Solution

The fourth proportional to 1,270,393.23, 1,753,147.41 and 689,617.50 is: 951,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,393.23 : 1,753,147.41 = 689,617.50 : x
  2. Step 2: Convert to fraction form
    1,270,393.23/1,753,147.41 = 689,617.50/x
  3. Step 3: Cross multiply
    1,270,393.23x = 1,753,147.41 × 689,617.50
  4. Step 4: Simplify right side
    1,270,393.23x = 1,209,001,134,015.68
  5. Step 5: Solve for x
    x = 1,209,001,134,015.68/1,270,393.23
  6. Step 6: Final answer
    x = 951,674.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.