Home / 888,164.76-1,224,199.26-661,727.64

Finding the Fourth Proportional to 888,164.76, 1,224,199.26 and 661,727.64

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Solution

The fourth proportional to 888,164.76, 1,224,199.26 and 661,727.64 is: 912,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,164.76 : 1,224,199.26 = 661,727.64 : x
  2. Step 2: Convert to fraction form
    888,164.76/1,224,199.26 = 661,727.64/x
  3. Step 3: Cross multiply
    888,164.76x = 1,224,199.26 × 661,727.64
  4. Step 4: Simplify right side
    888,164.76x = 810,086,487,209.55
  5. Step 5: Solve for x
    x = 810,086,487,209.55/888,164.76
  6. Step 6: Final answer
    x = 912,090.33

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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.