Home / 1,331,659.20-1,996,176.60-657,188.40

Finding the Fourth Proportional to 1,331,659.20, 1,996,176.60 and 657,188.40

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Solution

The fourth proportional to 1,331,659.20, 1,996,176.60 and 657,188.40 is: 985,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,659.20 : 1,996,176.60 = 657,188.40 : x
  2. Step 2: Convert to fraction form
    1,331,659.20/1,996,176.60 = 657,188.40/x
  3. Step 3: Cross multiply
    1,331,659.20x = 1,996,176.60 × 657,188.40
  4. Step 4: Simplify right side
    1,331,659.20x = 1,311,864,105,871.44
  5. Step 5: Solve for x
    x = 1,311,864,105,871.44/1,331,659.20
  6. Step 6: Final answer
    x = 985,135.01

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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.