Home / 1,976,911.68-2,965,334.72-629,155.84

Finding the Fourth Proportional to 1,976,911.68, 2,965,334.72 and 629,155.84

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Solution

The fourth proportional to 1,976,911.68, 2,965,334.72 and 629,155.84 is: 943,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,911.68 : 2,965,334.72 = 629,155.84 : x
  2. Step 2: Convert to fraction form
    1,976,911.68/2,965,334.72 = 629,155.84/x
  3. Step 3: Cross multiply
    1,976,911.68x = 2,965,334.72 × 629,155.84
  4. Step 4: Simplify right side
    1,976,911.68x = 1,865,657,656,642.77
  5. Step 5: Solve for x
    x = 1,865,657,656,642.77/1,976,911.68
  6. Step 6: Final answer
    x = 943,723.32

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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.