Home / 830,103.96-1,145,710.26-543,519.48

Finding the Fourth Proportional to 830,103.96, 1,145,710.26 and 543,519.48

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Solution

The fourth proportional to 830,103.96, 1,145,710.26 and 543,519.48 is: 750,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,103.96 : 1,145,710.26 = 543,519.48 : x
  2. Step 2: Convert to fraction form
    830,103.96/1,145,710.26 = 543,519.48/x
  3. Step 3: Cross multiply
    830,103.96x = 1,145,710.26 × 543,519.48
  4. Step 4: Simplify right side
    830,103.96x = 622,715,844,745.87
  5. Step 5: Solve for x
    x = 622,715,844,745.87/830,103.96
  6. Step 6: Final answer
    x = 750,166.09

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Double scale
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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.