Home / 1,120,805.76-1,546,716.96-611,518.80

Finding the Fourth Proportional to 1,120,805.76, 1,546,716.96 and 611,518.80

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Solution

The fourth proportional to 1,120,805.76, 1,546,716.96 and 611,518.80 is: 843,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,805.76 : 1,546,716.96 = 611,518.80 : x
  2. Step 2: Convert to fraction form
    1,120,805.76/1,546,716.96 = 611,518.80/x
  3. Step 3: Cross multiply
    1,120,805.76x = 1,546,716.96 × 611,518.80
  4. Step 4: Simplify right side
    1,120,805.76x = 945,846,499,318.85
  5. Step 5: Solve for x
    x = 945,846,499,318.85/1,120,805.76
  6. Step 6: Final answer
    x = 843,898.68

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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.