Home / 1,206,928.80-1,811,559.60-734,536.80

Finding the Fourth Proportional to 1,206,928.80, 1,811,559.60 and 734,536.80

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Solution

The fourth proportional to 1,206,928.80, 1,811,559.60 and 734,536.80 is: 1,102,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,928.80 : 1,811,559.60 = 734,536.80 : x
  2. Step 2: Convert to fraction form
    1,206,928.80/1,811,559.60 = 734,536.80/x
  3. Step 3: Cross multiply
    1,206,928.80x = 1,811,559.60 × 734,536.80
  4. Step 4: Simplify right side
    1,206,928.80x = 1,330,657,191,593.28
  5. Step 5: Solve for x
    x = 1,330,657,191,593.28/1,206,928.80
  6. Step 6: Final answer
    x = 1,102,515.07

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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.