Home / 1,233,833.64-1,702,676.46-689,961.96

Finding the Fourth Proportional to 1,233,833.64, 1,702,676.46 and 689,961.96

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Solution

The fourth proportional to 1,233,833.64, 1,702,676.46 and 689,961.96 is: 952,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,833.64 : 1,702,676.46 = 689,961.96 : x
  2. Step 2: Convert to fraction form
    1,233,833.64/1,702,676.46 = 689,961.96/x
  3. Step 3: Cross multiply
    1,233,833.64x = 1,702,676.46 × 689,961.96
  4. Step 4: Simplify right side
    1,233,833.64x = 1,174,781,987,587.46
  5. Step 5: Solve for x
    x = 1,174,781,987,587.46/1,233,833.64
  6. Step 6: Final answer
    x = 952,139.70

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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.