Home / 1,330,901.70-1,996,352.55-1,065,181.20

Finding the Fourth Proportional to 1,330,901.70, 1,996,352.55 and 1,065,181.20

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Solution

The fourth proportional to 1,330,901.70, 1,996,352.55 and 1,065,181.20 is: 1,597,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,901.70 : 1,996,352.55 = 1,065,181.20 : x
  2. Step 2: Convert to fraction form
    1,330,901.70/1,996,352.55 = 1,065,181.20/x
  3. Step 3: Cross multiply
    1,330,901.70x = 1,996,352.55 × 1,065,181.20
  4. Step 4: Simplify right side
    1,330,901.70x = 2,126,477,204,832.06
  5. Step 5: Solve for x
    x = 2,126,477,204,832.06/1,330,901.70
  6. Step 6: Final answer
    x = 1,597,771.80

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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.