Home / 1,395,507.87-1,926,100.98-851,527.11

Finding the Fourth Proportional to 1,395,507.87, 1,926,100.98 and 851,527.11

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Solution

The fourth proportional to 1,395,507.87, 1,926,100.98 and 851,527.11 is: 1,175,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,507.87 : 1,926,100.98 = 851,527.11 : x
  2. Step 2: Convert to fraction form
    1,395,507.87/1,926,100.98 = 851,527.11/x
  3. Step 3: Cross multiply
    1,395,507.87x = 1,926,100.98 × 851,527.11
  4. Step 4: Simplify right side
    1,395,507.87x = 1,640,127,201,067.57
  5. Step 5: Solve for x
    x = 1,640,127,201,067.57/1,395,507.87
  6. Step 6: Final answer
    x = 1,175,290.54

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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.