Home / 1,259,784.48-1,889,120.81-361,022.25

Finding the Fourth Proportional to 1,259,784.48, 1,889,120.81 and 361,022.25

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Solution

The fourth proportional to 1,259,784.48, 1,889,120.81 and 361,022.25 is: 541,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,784.48 : 1,889,120.81 = 361,022.25 : x
  2. Step 2: Convert to fraction form
    1,259,784.48/1,889,120.81 = 361,022.25/x
  3. Step 3: Cross multiply
    1,259,784.48x = 1,889,120.81 × 361,022.25
  4. Step 4: Simplify right side
    1,259,784.48x = 682,014,643,542.91
  5. Step 5: Solve for x
    x = 682,014,643,542.91/1,259,784.48
  6. Step 6: Final answer
    x = 541,374.06

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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.