Home / 741,639.60-1,112,394.60-243,003.60

Finding the Fourth Proportional to 741,639.60, 1,112,394.60 and 243,003.60

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Solution

The fourth proportional to 741,639.60, 1,112,394.60 and 243,003.60 is: 364,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,639.60 : 1,112,394.60 = 243,003.60 : x
  2. Step 2: Convert to fraction form
    741,639.60/1,112,394.60 = 243,003.60/x
  3. Step 3: Cross multiply
    741,639.60x = 1,112,394.60 × 243,003.60
  4. Step 4: Simplify right side
    741,639.60x = 270,315,892,420.56
  5. Step 5: Solve for x
    x = 270,315,892,420.56/741,639.60
  6. Step 6: Final answer
    x = 364,484.17

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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.