Home / 1,409,585.70-1,945,229.25-765,005.88

Finding the Fourth Proportional to 1,409,585.70, 1,945,229.25 and 765,005.88

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Solution

The fourth proportional to 1,409,585.70, 1,945,229.25 and 765,005.88 is: 1,055,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,585.70 : 1,945,229.25 = 765,005.88 : x
  2. Step 2: Convert to fraction form
    1,409,585.70/1,945,229.25 = 765,005.88/x
  3. Step 3: Cross multiply
    1,409,585.70x = 1,945,229.25 × 765,005.88
  4. Step 4: Simplify right side
    1,409,585.70x = 1,488,111,810,372.96
  5. Step 5: Solve for x
    x = 1,488,111,810,372.96/1,409,585.70
  6. Step 6: Final answer
    x = 1,055,708.65

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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.