Home / 1,409,685.40-1,945,316.46-765,092.68

Finding the Fourth Proportional to 1,409,685.40, 1,945,316.46 and 765,092.68

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Solution

The fourth proportional to 1,409,685.40, 1,945,316.46 and 765,092.68 is: 1,055,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,685.40 : 1,945,316.46 = 765,092.68 : x
  2. Step 2: Convert to fraction form
    1,409,685.40/1,945,316.46 = 765,092.68/x
  3. Step 3: Cross multiply
    1,409,685.40x = 1,945,316.46 × 765,092.68
  4. Step 4: Simplify right side
    1,409,685.40x = 1,488,347,383,829.51
  5. Step 5: Solve for x
    x = 1,488,347,383,829.51/1,409,685.40
  6. Step 6: Final answer
    x = 1,055,801.09

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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.