Home / 741,629.80-1,112,790.30-555,005.80

Finding the Fourth Proportional to 741,629.80, 1,112,790.30 and 555,005.80

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Solution

The fourth proportional to 741,629.80, 1,112,790.30 and 555,005.80 is: 832,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,629.80 : 1,112,790.30 = 555,005.80 : x
  2. Step 2: Convert to fraction form
    741,629.80/1,112,790.30 = 555,005.80/x
  3. Step 3: Cross multiply
    741,629.80x = 1,112,790.30 × 555,005.80
  4. Step 4: Simplify right side
    741,629.80x = 617,605,070,683.74
  5. Step 5: Solve for x
    x = 617,605,070,683.74/741,629.80
  6. Step 6: Final answer
    x = 832,767.33

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1.5x scale

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.