Home / 1,629,500.80-2,444,249.04-919,206.40

Finding the Fourth Proportional to 1,629,500.80, 2,444,249.04 and 919,206.40

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Solution

The fourth proportional to 1,629,500.80, 2,444,249.04 and 919,206.40 is: 1,378,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,500.80 : 2,444,249.04 = 919,206.40 : x
  2. Step 2: Convert to fraction form
    1,629,500.80/2,444,249.04 = 919,206.40/x
  3. Step 3: Cross multiply
    1,629,500.80x = 2,444,249.04 × 919,206.40
  4. Step 4: Simplify right side
    1,629,500.80x = 2,246,769,360,761.86
  5. Step 5: Solve for x
    x = 2,246,769,360,761.86/1,629,500.80
  6. Step 6: Final answer
    x = 1,378,808.38

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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.