Home / 741,664.60-1,112,432.10-243,028.60

Finding the Fourth Proportional to 741,664.60, 1,112,432.10 and 243,028.60

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Solution

The fourth proportional to 741,664.60, 1,112,432.10 and 243,028.60 is: 364,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,664.60 : 1,112,432.10 = 243,028.60 : x
  2. Step 2: Convert to fraction form
    741,664.60/1,112,432.10 = 243,028.60/x
  3. Step 3: Cross multiply
    741,664.60x = 1,112,432.10 × 243,028.60
  4. Step 4: Simplify right side
    741,664.60x = 270,352,815,858.06
  5. Step 5: Solve for x
    x = 270,352,815,858.06/741,664.60
  6. Step 6: Final answer
    x = 364,521.67

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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.