Home / 1,538,855.56-2,123,730.62-850,512.60

Finding the Fourth Proportional to 1,538,855.56, 2,123,730.62 and 850,512.60

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Solution

The fourth proportional to 1,538,855.56, 2,123,730.62 and 850,512.60 is: 1,173,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,855.56 : 2,123,730.62 = 850,512.60 : x
  2. Step 2: Convert to fraction form
    1,538,855.56/2,123,730.62 = 850,512.60/x
  3. Step 3: Cross multiply
    1,538,855.56x = 2,123,730.62 × 850,512.60
  4. Step 4: Simplify right side
    1,538,855.56x = 1,806,259,655,036.80
  5. Step 5: Solve for x
    x = 1,806,259,655,036.80/1,538,855.56
  6. Step 6: Final answer
    x = 1,173,768.16

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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.