Home / 1,233,429.66-1,702,170.42-689,588.34

Finding the Fourth Proportional to 1,233,429.66, 1,702,170.42 and 689,588.34

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Solution

The fourth proportional to 1,233,429.66, 1,702,170.42 and 689,588.34 is: 951,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,429.66 : 1,702,170.42 = 689,588.34 : x
  2. Step 2: Convert to fraction form
    1,233,429.66/1,702,170.42 = 689,588.34/x
  3. Step 3: Cross multiply
    1,233,429.66x = 1,702,170.42 × 689,588.34
  4. Step 4: Simplify right side
    1,233,429.66x = 1,173,796,874,324.90
  5. Step 5: Solve for x
    x = 1,173,796,874,324.90/1,233,429.66
  6. Step 6: Final answer
    x = 951,652.87

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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.