Home / 1,409,937.71-1,945,716.51-765,358.34

Finding the Fourth Proportional to 1,409,937.71, 1,945,716.51 and 765,358.34

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Solution

The fourth proportional to 1,409,937.71, 1,945,716.51 and 765,358.34 is: 1,056,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,937.71 : 1,945,716.51 = 765,358.34 : x
  2. Step 2: Convert to fraction form
    1,409,937.71/1,945,716.51 = 765,358.34/x
  3. Step 3: Cross multiply
    1,409,937.71x = 1,945,716.51 × 765,358.34
  4. Step 4: Simplify right side
    1,409,937.71x = 1,489,170,356,290.80
  5. Step 5: Solve for x
    x = 1,489,170,356,290.80/1,409,937.71
  6. Step 6: Final answer
    x = 1,056,195.85

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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.