Home / 1,331,662.20-1,996,181.10-657,191.40

Finding the Fourth Proportional to 1,331,662.20, 1,996,181.10 and 657,191.40

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Solution

The fourth proportional to 1,331,662.20, 1,996,181.10 and 657,191.40 is: 985,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,662.20 : 1,996,181.10 = 657,191.40 : x
  2. Step 2: Convert to fraction form
    1,331,662.20/1,996,181.10 = 657,191.40/x
  3. Step 3: Cross multiply
    1,331,662.20x = 1,996,181.10 × 657,191.40
  4. Step 4: Simplify right side
    1,331,662.20x = 1,311,873,051,762.54
  5. Step 5: Solve for x
    x = 1,311,873,051,762.54/1,331,662.20
  6. Step 6: Final answer
    x = 985,139.51

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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.