Home / 1,410,066.43-1,945,915.14-765,486.60

Finding the Fourth Proportional to 1,410,066.43, 1,945,915.14 and 765,486.60

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Solution

The fourth proportional to 1,410,066.43, 1,945,915.14 and 765,486.60 is: 1,056,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,066.43 : 1,945,915.14 = 765,486.60 : x
  2. Step 2: Convert to fraction form
    1,410,066.43/1,945,915.14 = 765,486.60/x
  3. Step 3: Cross multiply
    1,410,066.43x = 1,945,915.14 × 765,486.60
  4. Step 4: Simplify right side
    1,410,066.43x = 1,489,571,970,926.29
  5. Step 5: Solve for x
    x = 1,489,571,970,926.29/1,410,066.43
  6. Step 6: Final answer
    x = 1,056,384.25

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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.