Home / 875,752.80-1,313,629.20-576,571.20

Finding the Fourth Proportional to 875,752.80, 1,313,629.20 and 576,571.20

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Solution

The fourth proportional to 875,752.80, 1,313,629.20 and 576,571.20 is: 864,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,752.80 : 1,313,629.20 = 576,571.20 : x
  2. Step 2: Convert to fraction form
    875,752.80/1,313,629.20 = 576,571.20/x
  3. Step 3: Cross multiply
    875,752.80x = 1,313,629.20 × 576,571.20
  4. Step 4: Simplify right side
    875,752.80x = 757,400,764,199.04
  5. Step 5: Solve for x
    x = 757,400,764,199.04/875,752.80
  6. Step 6: Final answer
    x = 864,856.80

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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.