Home / 803,725.56-1,204,910.31-661,577.85

Finding the Fourth Proportional to 803,725.56, 1,204,910.31 and 661,577.85

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Solution

The fourth proportional to 803,725.56, 1,204,910.31 and 661,577.85 is: 991,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,725.56 : 1,204,910.31 = 661,577.85 : x
  2. Step 2: Convert to fraction form
    803,725.56/1,204,910.31 = 661,577.85/x
  3. Step 3: Cross multiply
    803,725.56x = 1,204,910.31 × 661,577.85
  4. Step 4: Simplify right side
    803,725.56x = 797,141,972,332.63
  5. Step 5: Solve for x
    x = 797,141,972,332.63/803,725.56
  6. Step 6: Final answer
    x = 991,808.66

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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.