Home / 741,487.21-1,111,830.55-336,458.45

Finding the Fourth Proportional to 741,487.21, 1,111,830.55 and 336,458.45

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Solution

The fourth proportional to 741,487.21, 1,111,830.55 and 336,458.45 is: 504,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,487.21 : 1,111,830.55 = 336,458.45 : x
  2. Step 2: Convert to fraction form
    741,487.21/1,111,830.55 = 336,458.45/x
  3. Step 3: Cross multiply
    741,487.21x = 1,111,830.55 × 336,458.45
  4. Step 4: Simplify right side
    741,487.21x = 374,084,781,833.36
  5. Step 5: Solve for x
    x = 374,084,781,833.36/741,487.21
  6. Step 6: Final answer
    x = 504,506.05

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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.