Home / 982,078.88-1,355,255.48-552,358.84

Finding the Fourth Proportional to 982,078.88, 1,355,255.48 and 552,358.84

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Solution

The fourth proportional to 982,078.88, 1,355,255.48 and 552,358.84 is: 762,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,078.88 : 1,355,255.48 = 552,358.84 : x
  2. Step 2: Convert to fraction form
    982,078.88/1,355,255.48 = 552,358.84/x
  3. Step 3: Cross multiply
    982,078.88x = 1,355,255.48 × 552,358.84
  4. Step 4: Simplify right side
    982,078.88x = 748,587,344,836.44
  5. Step 5: Solve for x
    x = 748,587,344,836.44/982,078.88
  6. Step 6: Final answer
    x = 762,247.68

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Double scale
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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.