Home / 825,528.90-1,138,745.97-519,119.22

Finding the Fourth Proportional to 825,528.90, 1,138,745.97 and 519,119.22

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Solution

The fourth proportional to 825,528.90, 1,138,745.97 and 519,119.22 is: 716,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,528.90 : 1,138,745.97 = 519,119.22 : x
  2. Step 2: Convert to fraction form
    825,528.90/1,138,745.97 = 519,119.22/x
  3. Step 3: Cross multiply
    825,528.90x = 1,138,745.97 × 519,119.22
  4. Step 4: Simplify right side
    825,528.90x = 591,144,919,724.54
  5. Step 5: Solve for x
    x = 591,144,919,724.54/825,528.90
  6. Step 6: Final answer
    x = 716,080.22

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1.5x scale

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.