Home / 825,637.28-1,138,895.56-519,227.64

Finding the Fourth Proportional to 825,637.28, 1,138,895.56 and 519,227.64

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Solution

The fourth proportional to 825,637.28, 1,138,895.56 and 519,227.64 is: 716,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,637.28 : 1,138,895.56 = 519,227.64 : x
  2. Step 2: Convert to fraction form
    825,637.28/1,138,895.56 = 519,227.64/x
  3. Step 3: Cross multiply
    825,637.28x = 1,138,895.56 × 519,227.64
  4. Step 4: Simplify right side
    825,637.28x = 591,346,053,825.28
  5. Step 5: Solve for x
    x = 591,346,053,825.28/825,637.28
  6. Step 6: Final answer
    x = 716,229.84

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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.