Home / 1,387,675.53-1,914,886.58-843,735.83

Finding the Fourth Proportional to 1,387,675.53, 1,914,886.58 and 843,735.83

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Solution

The fourth proportional to 1,387,675.53, 1,914,886.58 and 843,735.83 is: 1,164,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,675.53 : 1,914,886.58 = 843,735.83 : x
  2. Step 2: Convert to fraction form
    1,387,675.53/1,914,886.58 = 843,735.83/x
  3. Step 3: Cross multiply
    1,387,675.53x = 1,914,886.58 × 843,735.83
  4. Step 4: Simplify right side
    1,387,675.53x = 1,615,658,404,139.05
  5. Step 5: Solve for x
    x = 1,615,658,404,139.05/1,387,675.53
  6. Step 6: Final answer
    x = 1,164,291.20

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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.