Home / 683,991.60-1,025,987.40-185,355.60

Finding the Fourth Proportional to 683,991.60, 1,025,987.40 and 185,355.60

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Solution

The fourth proportional to 683,991.60, 1,025,987.40 and 185,355.60 is: 278,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,991.60 : 1,025,987.40 = 185,355.60 : x
  2. Step 2: Convert to fraction form
    683,991.60/1,025,987.40 = 185,355.60/x
  3. Step 3: Cross multiply
    683,991.60x = 1,025,987.40 × 185,355.60
  4. Step 4: Simplify right side
    683,991.60x = 190,172,510,119.44
  5. Step 5: Solve for x
    x = 190,172,510,119.44/683,991.60
  6. Step 6: Final answer
    x = 278,033.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.