Home / 741,168.08-1,111,740.40-235,721.73

Finding the Fourth Proportional to 741,168.08, 1,111,740.40 and 235,721.73

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Solution

The fourth proportional to 741,168.08, 1,111,740.40 and 235,721.73 is: 353,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,168.08 : 1,111,740.40 = 235,721.73 : x
  2. Step 2: Convert to fraction form
    741,168.08/1,111,740.40 = 235,721.73/x
  3. Step 3: Cross multiply
    741,168.08x = 1,111,740.40 × 235,721.73
  4. Step 4: Simplify right side
    741,168.08x = 262,061,370,398.89
  5. Step 5: Solve for x
    x = 262,061,370,398.89/741,168.08
  6. Step 6: Final answer
    x = 353,578.87

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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.