Home / 1,211,560.89-1,671,960.66-695,273.73

Finding the Fourth Proportional to 1,211,560.89, 1,671,960.66 and 695,273.73

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Solution

The fourth proportional to 1,211,560.89, 1,671,960.66 and 695,273.73 is: 959,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,560.89 : 1,671,960.66 = 695,273.73 : x
  2. Step 2: Convert to fraction form
    1,211,560.89/1,671,960.66 = 695,273.73/x
  3. Step 3: Cross multiply
    1,211,560.89x = 1,671,960.66 × 695,273.73
  4. Step 4: Simplify right side
    1,211,560.89x = 1,162,470,316,131.66
  5. Step 5: Solve for x
    x = 1,162,470,316,131.66/1,211,560.89
  6. Step 6: Final answer
    x = 959,481.55

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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.