Home / 746,807.88-1,120,219.53-185,842.38

Finding the Fourth Proportional to 746,807.88, 1,120,219.53 and 185,842.38

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Solution

The fourth proportional to 746,807.88, 1,120,219.53 and 185,842.38 is: 278,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,807.88 : 1,120,219.53 = 185,842.38 : x
  2. Step 2: Convert to fraction form
    746,807.88/1,120,219.53 = 185,842.38/x
  3. Step 3: Cross multiply
    746,807.88x = 1,120,219.53 × 185,842.38
  4. Step 4: Simplify right side
    746,807.88x = 208,184,263,577.68
  5. Step 5: Solve for x
    x = 208,184,263,577.68/746,807.88
  6. Step 6: Final answer
    x = 278,765.49

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Double scale
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Similar ratio
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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.