Home / 1,272,616.56-1,756,222.65-699,660.75

Finding the Fourth Proportional to 1,272,616.56, 1,756,222.65 and 699,660.75

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Solution

The fourth proportional to 1,272,616.56, 1,756,222.65 and 699,660.75 is: 965,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,616.56 : 1,756,222.65 = 699,660.75 : x
  2. Step 2: Convert to fraction form
    1,272,616.56/1,756,222.65 = 699,660.75/x
  3. Step 3: Cross multiply
    1,272,616.56x = 1,756,222.65 × 699,660.75
  4. Step 4: Simplify right side
    1,272,616.56x = 1,228,760,056,465.99
  5. Step 5: Solve for x
    x = 1,228,760,056,465.99/1,272,616.56
  6. Step 6: Final answer
    x = 965,538.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.